石(shi)斑魚(yu)可分為很多種類(lei):
海紅(hong)斑(ban)(ban)(ban)(ban)(ban)(ban),東星(xing)斑(ban)(ban)(ban)(ban)(ban)(ban),西星(xing)斑(ban)(ban)(ban)(ban)(ban)(ban),泰星(xing)斑(ban)(ban)(ban)(ban)(ban)(ban),豹星(xing)斑(ban)(ban)(ban)(ban)(ban)(ban),老鼠(shu)斑(ban)(ban)(ban)(ban)(ban)(ban),老虎(hu)斑(ban)(ban)(ban)(ban)(ban)(ban),青斑(ban)(ban)(ban)(ban)(ban)(ban),麻斑(ban)(ban)(ban)(ban)(ban)(ban),金(jin)錢斑(ban)(ban)(ban)(ban)(ban)(ban),杉斑(ban)(ban)(ban)(ban)(ban)(ban),蘇鼠(shu)斑(ban)(ban)(ban)(ban)(ban)(ban)、紅(hong)瓜(gua)子斑(ban)(ban)(ban)(ban)(ban)(ban)。
(1)點帶(dai)石(shi)斑(ban)魚(yu)(yu)吻短鈍(dun),背鰭(qi)8~11根棘,基底無黑斑(ban),體(ti)側有5條不明(ming)顯橫(heng)帶(dai),體(ti)側及各鰭(qi)上(shang)分(fen)散著斑(ban)點。為熱(re)帶(dai)中(zhong)、下層魚(yu)(yu)類,喜棲息于巖(yan)礁底質海區,為南(nan)海名貴魚(yu)(yu)類。性兇猛(meng),肉(rou)食為主,喜食魚(yu)(yu)、蝦、蟹,饑餓時自相殘殺。可(ke)生活在(zai)鹽度(du)11~41‰水域(yu),最適水溫22~28℃,18℃以(yi)下食欲減退(tui),15℃以(yi)下魚(yu)(yu)體(ti)失去平衡(heng)。可(ke)進(jin)行(xing)網箱養殖。分(fen)布(bu)于我國東海、南(nan)海等海域(yu)。?
(2)赤點石斑(ban)魚背鰭(qi)Ⅺ,16條,背鰭(qi)基底具一黑(hei)斑(ban),體(ti)棕褐色(se),頭、體(ti)、奇鰭(qi)有許多橙黃(huang)色(se)斑(ban)(浸制標本(ben)變(bian)白色(se))。暖(nuan)溫性中、下層魚類。成(cheng)(cheng)魚攝食(shi)魚、蝦、蟹。雌(ci)雄同體(ti),雌(ci)性先成(cheng)(cheng)熟,大部(bu)分3齡(ling)(ling)性成(cheng)(cheng)熟,體(ti)長(chang)231~295毫米時,從雌(ci)性轉變(bian)為雄性。大部(bu)分6齡(ling)(ling)魚(個別為5齡(ling)(ling)魚)體(ti)長(chang)340~400毫米,絕對生殖力為10萬(wan)~25萬(wan)粒,產卵(luan)期為5~9月,盛期為5~6月。肉(rou)鮮美(mei),可供出(chu)口,是名貴魚類,現已進行人工繁殖,是網箱及淺海(hai)養殖對象(xiang)。分布(bu)于我國(guo)臺灣,東海(hai)、南海(hai),以及印度(du)和日本(ben)。
(3)青石斑(ban)魚(yu)(yu)(yu)體(ti)下部具(ju)(ju)若干橙紅色(se)斑(ban)點,體(ti)側具(ju)(ju)6條(tiao)深褐(he)色(se)垂(chui)直條(tiao)紋(wen),第(di)3與第(di)4帶間隔(ge)最(zui)寬;僅尾鰭具(ju)(ju)斑(ban)點。暖(nuan)水性中、下層魚(yu)(yu)(yu)類。仔稚(zhi)魚(yu)(yu)(yu)攝食(shi)(shi)浮游生(sheng)物(wu),成魚(yu)(yu)(yu)攝食(shi)(shi)魚(yu)(yu)(yu)、蝦、蟹。雌、雄同體(ti),雌魚(yu)(yu)(yu)先(xian)性成熟(shu),體(ti)長250~400毫米時性逆轉,雄魚(yu)(yu)(yu)6齡(個(ge)別5齡)全部性成熟(shu)。絕對生(sheng)殖(zhi)力為8萬~25萬粒,產卵(luan)(luan)期(qi)為5月下旬至7月,20℃開始(shi)產卵(luan)(luan),22~24℃盛期(qi),產浮性卵(luan)(luan)。水溫22~25℃,需23~30小時孵出仔魚(yu)(yu)(yu)。肉味(wei)鮮(xian)美,為名貴(gui)魚(yu)(yu)(yu)類,活魚(yu)(yu)(yu)大量(liang)銷(xiao)往(wang)香港及(ji)(ji)澳門。為中國(guo)及(ji)(ji)東南(nan)亞淺海養殖(zhi)對象,可以用網箱養殖(zhi)。分布于我國(guo)臺灣,東海、南(nan)海,以及(ji)(ji)日本。
(4)斜(xie)帶石斑(ban)魚(yu)身(shen)體延(yan)長,在頭和(he)身(shen)體的(de)(de)背部(bu)呈(cheng)棕褐(he)色(se)(se),腹部(bu)底紋呈(cheng)白色(se)(se);無數橙褐(he)色(se)(se)或是紅褐(he)色(se)(se)的(de)(de)小點(dian)分布(bu)于頭、身(shen)體和(he)鰭條的(de)(de)中(zhong)(zhong)部(bu);身(shen)體上有5大(da)不規則的(de)(de)、間斷的(de)(de)、向腹部(bu)分叉(cha)的(de)(de)黑(hei)斑(ban);第一(yi)個黑(hei)斑(ban)在前背鰭棘的(de)(de)下方,最后的(de)(de)黑(hei)斑(ban)在尾柄上;2個黑(hei)斑(ban)在中(zhong)(zhong)鰓蓋,而(er)另外的(de)(de)1~2個在次鰓蓋和(he)中(zhong)(zhong)鰓蓋的(de)(de)邊接處。當暴露于空氣中(zhong)(zhong)時橙色(se)(se)的(de)(de)點(dian)變為褐(he)色(se)(se),而(er)在防腐劑中(zhong)(zhong)則變得模糊。
石(shi)斑(ban)魚(yu)(yu)(yu)類(lei)廣泛分布于大(da)西洋、印度洋和太平洋的(de)熱(re)帶(dai)(dai)和亞熱(re)帶(dai)(dai)海(hai)(hai)(hai)域(yu)。中國沿海(hai)(hai)(hai)分布的(de)石(shi)斑(ban)魚(yu)(yu)(yu)類(lei)有(you)11個屬(shu)(shu)(shu)65種,包括光腭鱸(lu)(lu)屬(shu)(shu)(shu)、下(xia)美屬(shu)(shu)(shu)、駝背(bei)鱸(lu)(lu)屬(shu)(shu)(shu)、石(shi)斑(ban)魚(yu)(yu)(yu)屬(shu)(shu)(shu)、鳶(yuan)屬(shu)(shu)(shu)、煙(yan)鱸(lu)(lu)屬(shu)(shu)(shu)、纖齒鱸(lu)(lu)屬(shu)(shu)(shu)、九(jiu)棘(ji)(ji)鱸(lu)(lu)屬(shu)(shu)(shu)、側牙鱸(lu)(lu)屬(shu)(shu)(shu)、鰓棘(ji)(ji)鱸(lu)(lu)屬(shu)(shu)(shu)和貧鱸(lu)(lu)屬(shu)(shu)(shu)。主要分布于東(dong)海(hai)(hai)(hai)、臺(tai)灣海(hai)(hai)(hai)峽(xia)(xia)和南海(hai)(hai)(hai),其(qi)中常(chang)見種類(lei)有(you)斜(xie)帶(dai)(dai)石(shi)斑(ban)魚(yu)(yu)(yu)、豹(bao)紋鰓棘(ji)(ji)鱸(lu)(lu)、駝背(bei)鱸(lu)(lu)、青石(shi)斑(ban)魚(yu)(yu)(yu)等。臺(tai)灣海(hai)(hai)(hai)峽(xia)(xia)尤其(qi)是澎湖列島(dao)海(hai)(hai)(hai)域(yu),不僅(jin)有(you)黑潮(chao)支流(liu)的(de)加溫效(xiao)應,且多有(you)淺(qian)灘(tan)、峽(xia)(xia)谷、海(hai)(hai)(hai)島(dao)、礁(jiao)石(shi),珊瑚(hu)礁(jiao)資源(yuan)豐富(fu),非常(chang)適合石(shi)斑(ban)魚(yu)(yu)(yu)類(lei)棲息,其(qi)石(shi)斑(ban)魚(yu)(yu)(yu)種類(lei)較東(dong)海(hai)(hai)(hai)、南海(hai)(hai)(hai)更為(wei)豐富(fu)。
石(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)體(ti)一(yi)(yi)般(ban)呈橢圓(yuan)或長(chang)(chang)橢圓(yuan)形,側扁;頭長(chang)(chang)大(da)(da)于(yu)體(ti)高;背鰭(qi)(qi)(qi)鰭(qi)(qi)(qi)棘(ji)(ji)部(bu)強大(da)(da),與鰭(qi)(qi)(qi)條部(bu)相(xiang)連,背鰭(qi)(qi)(qi)鰭(qi)(qi)(qi)棘(ji)(ji)7~11根,鰭(qi)(qi)(qi)條10~21根;臀鰭(qi)(qi)(qi)鰭(qi)(qi)(qi)棘(ji)(ji)3根,一(yi)(yi)般(ban)第2根最(zui)為(wei)強大(da)(da),臀鰭(qi)(qi)(qi)鰭(qi)(qi)(qi)條數(shu)7~13根;胸鰭(qi)(qi)(qi)寬大(da)(da),位(wei)(wei)低,一(yi)(yi)般(ban)呈圓(yuan)形;腹(fu)鰭(qi)(qi)(qi)位(wei)(wei)于(yu)胸鰭(qi)(qi)(qi)下方;口大(da)(da),兩頜齒內行齒傾(qing)倒;體(ti)被小(xiao)櫛鱗(lin);側線達尾(wei)鰭(qi)(qi)(qi)基部(bu);尾(wei)鰭(qi)(qi)(qi)圓(yuan)形、截形或凹型。不同種(zhong)(zhong)類(lei)的(de)石(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)體(ti)型差異較大(da)(da),30%以上的(de)石(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)種(zhong)(zhong)類(lei)體(ti)長(chang)(chang)可達1m以上,超(chao)大(da)(da)體(ti)型者(zhe)可超(chao)過(guo)(guo)2m,如(ru)鞍(an)帶石(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(E.lanceolatus)、伊(yi)氏(shi)石(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(E. itajara)、東太平洋(yang)石(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(E. quinquefasciatus)等(deng),而(er)體(ti)型小(xiao)者(zhe)甚至小(xiao)于(yu)20cm,如(ru)紅(hong)鰭(qi)(qi)(qi)九(jiu)棘(ji)(ji)鱸(lu)(Cephalopholis aitha)、短身石(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(E. trophis)、多斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)九(jiu)棘(ji)(ji)鱸(lu)(C. polyspila)等(deng)。石(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)屬(shu)(Epinephelus)作(zuo)為(wei)石(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)科中(zhong)種(zhong)(zhong)類(lei)最(zui)多的(de)屬(shu),其體(ti)型大(da)(da)小(xiao)變化較大(da)(da),從小(xiao)型到大(da)(da)型均有分布;而(er)另一(yi)(yi)種(zhong)(zhong)類(lei)數(shu)較多的(de)九(jiu)棘(ji)(ji)鱸(lu)屬(shu)(Cephalopholis)除了紅(hong)九(jiu)棘(ji)(ji)鱸(lu)(C. sonnerati)外都是(shi)體(ti)長(chang)(chang)小(xiao)于(yu)50cm的(de)小(xiao)型石(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)。此外,石(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)類(lei)的(de)仔稚魚(yu)(yu)發(fa)育過(guo)(guo)程中(zhong)存在(zai)背鰭(qi)(qi)(qi)鰭(qi)(qi)(qi)棘(ji)(ji)和(he)腹(fu)鰭(qi)(qi)(qi)鰭(qi)(qi)(qi)棘(ji)(ji)顯著(zhu)延長(chang)(chang)及(ji)收縮的(de)現象,這是(shi)石(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)類(lei)發(fa)育過(guo)(guo)程中(zhong)較為(wei)獨特的(de)一(yi)(yi)個特征(zheng)。
石(shi)(shi)斑(ban)(ban)魚(yu)(yu)為底(di)棲性(xing)魚(yu)(yu)類(lei),其(qi)(qi)成魚(yu)(yu)主(zhu)要棲息于珊(shan)瑚礁及近岸(an)巖礁區域,也(ye)有部分棲息于底(di)質為沙質、泥(ni)質或淤泥(ni)質的(de)(de)海(hai)域,如(ru)青銅石(shi)(shi)斑(ban)(ban)魚(yu)(yu)(E. aeneus)、褐石(shi)(shi)斑(ban)(ban)魚(yu)(yu)(E. bruneus)及寶(bao)石(shi)(shi)石(shi)(shi)斑(ban)(ban)魚(yu)(yu)(E. areolatus)等,其(qi)(qi)幼(you)魚(yu)(yu)則(ze)偏(pian)愛(ai)選擇海(hai)草(cao)床、紅(hong)樹林等生境(jing)。石(shi)(shi)斑(ban)(ban)魚(yu)(yu)類(lei)一(yi)般(ban)棲息于100m以淺的(de)(de)水域,如(ru)白線光腭鱸(lu)(Anyperodon leucogrammicus)和橫帶九棘鱸(lu)(C. boenak)等,也(ye)有一(yi)些種(zhong)類(lei)棲息于100~200m的(de)(de)水層(ceng)中,如(ru)橙點(dian)九棘鱸(lu)(C. aurantia)。大(da)多數(shu)石(shi)(shi)斑(ban)(ban)魚(yu)(yu)為獨居性(xing)魚(yu)(yu)類(lei),除了在繁殖期集群外一(yi)般(ban)不成群;但也(ye)有些種(zhong)類(lei)的(de)(de)生活方式為一(yi)尾雄魚(yu)(yu)和若干尾雌魚(yu)(yu)組成的(de)(de)小群體,如(ru)橫帶九棘鱸(lu)和青星九棘鱸(lu)(C. miniata)。一(yi)些研究表明石(shi)(shi)斑(ban)(ban)魚(yu)(yu)類(lei)通常可在特定的(de)(de)礁區定居較(jiao)長的(de)(de)一(yi)段(duan)時間(jian),這種(zhong)定居習性(xing)及較(jiao)長的(de)(de)生活史等特征使得石(shi)(shi)斑(ban)(ban)魚(yu)(yu)類(lei)易受到過度捕(bu)撈的(de)(de)影響(xiang)。
大部分石(shi)(shi)斑(ban)魚(yu)類(lei)為雌(ci)(ci)(ci)(ci)性(xing)(xing)(xing)先(xian)熟(shu)的雌(ci)(ci)(ci)(ci)雄(xiong)(xiong)同(tong)(tong)體魚(yu)類(lei),即初(chu)次性(xing)(xing)(xing)成(cheng)熟(shu)時為雌(ci)(ci)(ci)(ci)性(xing)(xing)(xing),作為雌(ci)(ci)(ci)(ci)性(xing)(xing)(xing)參與繁殖(zhi)后的一年(nian)至(zhi)數年(nian)后,雌(ci)(ci)(ci)(ci)魚(yu)開(kai)始性(xing)(xing)(xing)逆(ni)(ni)轉成(cheng)為雄(xiong)(xiong)魚(yu)。然而也存(cun)在著少量(liang)可(ke)(ke)由幼魚(yu)直接發育成(cheng)雄(xiong)(xiong)魚(yu)的初(chu)級(ji)雄(xiong)(xiong)性(xing)(xing)(xing)個體(primary males),其比例(li)隨不同(tong)(tong)物種(zhong)而異(yi),如養殖(zhi)條件下斜帶(dai)石(shi)(shi)斑(ban)魚(yu)(E.coioides)和(he)駝背鱸僅有(you)1%~3%的初(chu)級(ji)雄(xiong)(xiong)性(xing)(xing)(xing)個體,而赤點(dian)石(shi)(shi)斑(ban)魚(yu)(E.akaara)的初(chu)級(ji)雄(xiong)(xiong)性(xing)(xing)(xing)個體可(ke)(ke)達15%左(zuo)右。這種(zhong)差異(yi)也可(ke)(ke)能與生長環境相關,目前尚未(wei)有(you)野生天然初(chu)級(ji)雄(xiong)(xiong)性(xing)(xing)(xing)個體的報道。此外,在人工(gong)養殖(zhi)的石(shi)(shi)斑(ban)魚(yu)類(lei)中也發現了雙(shuang)向(xiang)性(xing)(xing)(xing)逆(ni)(ni)轉的雌(ci)(ci)(ci)(ci)雄(xiong)(xiong)同(tong)(tong)體橫帶(dai)九棘(ji)鱸。甚至(zhi)還有(you)個別種(zhong)類(lei)的石(shi)(shi)斑(ban)魚(yu)為雌(ci)(ci)(ci)(ci)雄(xiong)(xiong)異(yi)體,如豹紋(wen)喙鱸(Mycteroperca rosacea)和(he)拿(na)騷石(shi)(shi)斑(ban)魚(yu)(E. striatus)。對于石(shi)(shi)斑(ban)魚(yu)的性(xing)(xing)(xing)逆(ni)(ni)轉機制,一些(xie)研究者認為可(ke)(ke)能是環境與遺傳(chuan)因素共(gong)同(tong)(tong)作用的結果,并證實了外源(yuan)性(xing)(xing)(xing)雄(xiong)(xiong)性(xing)(xing)(xing)類(lei)固醇(chun)激素可(ke)(ke)成(cheng)功(gong)誘導多(duo)種(zhong)石(shi)(shi)斑(ban)魚(yu)的雌(ci)(ci)(ci)(ci)魚(yu)發生性(xing)(xing)(xing)逆(ni)(ni)轉。
大多(duo)石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)類(lei)(lei)為多(duo)批(pi)產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)魚(yu)(yu)(yu)類(lei)(lei)。卵(luan)(luan)(luan)(luan)(luan)巢內同(tong)時(shi)(shi)具有(you)(you)不同(tong)時(shi)(shi)相(xiang)的(de)(de)卵(luan)(luan)(luan)(luan)(luan)母細胞。雌魚(yu)(yu)(yu)在一(yi)個(ge)繁殖期內。卵(luan)(luan)(luan)(luan)(luan)子分(fen)批(pi)成(cheng)熟(shu)。如(ru)(ru)青石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)(E.awoara)、點(dian)帶石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)(E.malabaricus)和云紋(wen)石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)(E.moara)等。一(yi)些石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)類(lei)(lei)有(you)(you)著較為固(gu)定的(de)(de)產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)場(chang)。因(yin)(yin)此需(xu)要進行產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)洄(hui)(hui)(hui)游(you)。部分(fen)種類(lei)(lei)洄(hui)(hui)(hui)游(you)的(de)(de)距離較短。如(ru)(ru)大堡(bao)礁區的(de)(de)豹紋(wen)鰓棘鱸的(de)(de)產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)洄(hui)(hui)(hui)游(you)距離通(tong)常為數(shu)百米(mi)(mi)(mi)至數(shu)千(qian)米(mi)(mi)(mi);有(you)(you)的(de)(de)種類(lei)(lei)則需(xu)要洄(hui)(hui)(hui)游(you)上(shang)百千(qian)米(mi)(mi)(mi)往返于(yu)產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)場(chang),如(ru)(ru)佛羅里達(da)(da)(da)沿岸的(de)(de)拿騷(sao)石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)(E.striatus),產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)場(chang)距離定居地(di)距離可達(da)(da)(da)240km。一(yi)些石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)在繁殖期間(jian)(jian)會配對產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan),如(ru)(ru)赤點(dian)石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu),其產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)時(shi)(shi)間(jian)(jian)一(yi)般(ban)為傍(bang)晚,產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)開(kai)始時(shi)(shi),雄魚(yu)(yu)(yu)追逐雌魚(yu)(yu)(yu)后(hou)并游(you),通(tong)過尾柄激烈(lie)顫動(dong)完(wan)成(cheng)產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)、排精動(dong)作,這(zhe)一(yi)產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)行為需(xu)1~2min,隨后(hou)不久(jiu)可重復類(lei)(lei)似行為并持續2h左(zuo)右。另一(yi)些種類(lei)(lei)如(ru)(ru)拿騷(sao)石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)則具有(you)(you)集群產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)的(de)(de)行為,Smith報道了拿騷(sao)石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)在巴哈(ha)馬(ma)附近海(hai)域水(shui)深29~38m的(de)(de)巖礁珊瑚礁海(hai)域集群產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)的(de)(de)現象,數(shu)量有(you)(you)30000~100000尾之(zhi)多(duo)。石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)類(lei)(lei)產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)期一(yi)般(ban)從(cong)每(mei)年(nian)的(de)(de)春(chun)末延續至初秋,主要受水(shui)溫(wen)影響(xiang),因(yin)(yin)而(er)沿海(hai)各地(di)石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)時(shi)(shi)間(jian)(jian)隨緯度不同(tong)而(er)變(bian)化(hua)。如(ru)(ru)福建沿海(hai)的(de)(de)赤點(dian)石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)生(sheng)殖季節為5—9月,5—6月為產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)盛期,香港(gang)和臺灣則為4—7月。石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)的(de)(de)個(ge)體懷卵(luan)(luan)(luan)(luan)(luan)數(shu)因(yin)(yin)體型(xing)而(er)異,產(chan)(chan)(chan)(chan)(chan)卵(luan)(luan)(luan)(luan)(luan)總量在7萬~100萬粒不等,大型(xing)石(shi)(shi)(shi)(shi)斑(ban)(ban)魚(yu)(yu)(yu)種類(lei)(lei)可達(da)(da)(da)1000萬粒。
石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)中(zhong)以(yi)青石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)蛋(dan)(dan)白(bai)含(han)(han)(han)量(liang)(liang)(liang)(liang)最(zui)高(gao)(gao)(gao)(gao),比(bi)(bi)大黃魚(yu)(yu)(yu)的(de)(de)蛋(dan)(dan)白(bai)含(han)(han)(han)量(liang)(liang)(liang)(liang)都高(gao)(gao)(gao)(gao),其(qi)次是棕(zong)點(dian)石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu),珍珠龍(long)膽(dan)石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)和(he)(he)(he)(he)點(dian)帶(dai)(dai)石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu),七(qi)帶(dai)(dai)石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)和(he)(he)(he)(he)赤(chi)點(dian)石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)的(de)(de)蛋(dan)(dan)白(bai)含(han)(han)(han)量(liang)(liang)(liang)(liang)與中(zhong)國花(hua)鱸(lu)、大菱(ling)(ling)鲆相(xiang)(xiang)近(jin),而鞍(an)帶(dai)(dai)石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)和(he)(he)(he)(he)美(mei)洲黑石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)與真(zhen)鯛(diao)的(de)(de)蛋(dan)(dan)白(bai)含(han)(han)(han)量(liang)(liang)(liang)(liang)接近(jin),相(xiang)(xiang)對比(bi)(bi)較(jiao)(jiao)(jiao)低(di),約(yue)為(wei)66%(干重計),但(dan)脂(zhi)肪(fang)(fang)(fang)含(han)(han)(han)量(liang)(liang)(liang)(liang)卻比(bi)(bi)大菱(ling)(ling)鲆高(gao)(gao)(gao)(gao)10多(duo)倍。除鞍(an)帶(dai)(dai)和(he)(he)(he)(he)美(mei)洲黑石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)脂(zhi)肪(fang)(fang)(fang)含(han)(han)(han)量(liang)(liang)(liang)(liang)明顯(xian)較(jiao)(jiao)(jiao)高(gao)(gao)(gao)(gao)外,其(qi)他(ta)(ta)幾種(zhong)(zhong)石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)的(de)(de)脂(zhi)肪(fang)(fang)(fang)含(han)(han)(han)量(liang)(liang)(liang)(liang)與真(zhen)鯛(diao)相(xiang)(xiang)近(jin),略(lve)高(gao)(gao)(gao)(gao)于大黃魚(yu)(yu)(yu)和(he)(he)(he)(he)大菱(ling)(ling)鲆。石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)中(zhong)必需氨基酸(suan)(suan)(suan)占氨基酸(suan)(suan)(suan)總量(liang)(liang)(liang)(liang)均超過37%,跟(gen)FAO/WTO所建議的(de)(de)理想蛋(dan)(dan)白(bai)模(mo)式(shi)比(bi)(bi)較(jiao)(jiao)(jiao),石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)的(de)(de)必需氨基酸(suan)(suan)(suan)指數(EAAI)均較(jiao)(jiao)(jiao)高(gao)(gao)(gao)(gao)。通常產品的(de)(de)EAAI越高(gao)(gao)(gao)(gao)營(ying)養(yang)價值也(ye)越高(gao)(gao)(gao)(gao),點(dian)帶(dai)(dai)石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)EAAI為(wei)103,棕(zong)點(dian)石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)的(de)(de)EAAI為(wei)90.19,鞍(an)帶(dai)(dai)石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)EAAI為(wei)95.87,說(shuo)明石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)是質(zhi)(zhi)量(liang)(liang)(liang)(liang)較(jiao)(jiao)(jiao)好的(de)(de)蛋(dan)(dan)白(bai)質(zhi)(zhi)源。另外,石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)的(de)(de)鮮味氨基酸(suan)(suan)(suan)(谷氨酸(suan)(suan)(suan)Glu、天冬氨酸(suan)(suan)(suan)Asp、甘氨酸(suan)(suan)(suan)Gly、丙氨酸(suan)(suan)(suan)Ala)含(han)(han)(han)量(liang)(liang)(liang)(liang)也(ye)十分豐(feng)富,這說(shuo)明了石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)味道比(bi)(bi)較(jiao)(jiao)(jiao)鮮美(mei)。石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)脂(zhi)肪(fang)(fang)(fang)含(han)(han)(han)量(liang)(liang)(liang)(liang)比(bi)(bi)其(qi)他(ta)(ta)海(hai)水(shui)魚(yu)(yu)(yu)類(lei)(lei)略(lve)高(gao)(gao)(gao)(gao),但(dan)脂(zhi)質(zhi)(zhi)均為(wei)優質(zhi)(zhi)脂(zhi)肪(fang)(fang)(fang)酸(suan)(suan)(suan),其(qi)中(zhong)多(duo)不飽(bao)和(he)(he)(he)(he)脂(zhi)肪(fang)(fang)(fang)酸(suan)(suan)(suan)含(han)(han)(han)量(liang)(liang)(liang)(liang)豐(feng)富,二十碳五烯酸(suan)(suan)(suan)(EPA)和(he)(he)(he)(he)二十二碳六烯酸(suan)(suan)(suan)(DHA)含(han)(han)(han)量(liang)(liang)(liang)(liang)占多(duo)不飽(bao)和(he)(he)(he)(he)脂(zhi)肪(fang)(fang)(fang)酸(suan)(suan)(suan)含(han)(han)(han)量(liang)(liang)(liang)(liang)58%~88%,其(qi)對人體(ti)的(de)(de)健(jian)康有重要(yao)的(de)(de)作用。所以(yi)石(shi)(shi)(shi)(shi)(shi)斑(ban)(ban)(ban)(ban)(ban)魚(yu)(yu)(yu)是味道鮮美(mei)、高(gao)(gao)(gao)(gao)蛋(dan)(dan)白(bai)、高(gao)(gao)(gao)(gao)優質(zhi)(zhi)不飽(bao)和(he)(he)(he)(he)脂(zhi)肪(fang)(fang)(fang)酸(suan)(suan)(suan)、氨基酸(suan)(suan)(suan)組成均衡的(de)(de)一種(zhong)(zhong)營(ying)養(yang)價值極高(gao)(gao)(gao)(gao)的(de)(de)優質(zhi)(zhi)海(hai)水(shui)魚(yu)(yu)(yu)類(lei)(lei)。
礦(kuang)(kuang)物(wu)(wu)元(yuan)素(su)與人(ren)(ren)體(ti)健康密(mi)切相關,參(can)與人(ren)(ren)體(ti)內的(de)(de)(de)新陳代謝、各種(zhong)生物(wu)(wu)和(he)化(hua)學反(fan)應等(deng)。點帶石(shi)斑(ban)魚(yu)的(de)(de)(de)常(chang)量(liang)元(yuan)素(su)含(han)量(liang)均略(lve)高(gao)于其(qi)(qi)他幾(ji)種(zhong)石(shi)斑(ban)魚(yu),其(qi)(qi)中鉀(K)含(han)量(liang)最(zui)(zui)高(gao),其(qi)(qi)次(ci)為(wei)鈉(Na)、鎂(Mg)、鈣(Ca)、磷(P);微量(liang)元(yuan)素(su)中,棕點石(shi)斑(ban)魚(yu)鋅(xin)(xin)(Zn)含(han)量(liang)最(zui)(zui)高(gao),其(qi)(qi)次(ci)為(wei)美洲黑石(shi)斑(ban)魚(yu)。鋅(xin)(xin)有“生命的(de)(de)(de)火花(hua)塞”之稱,能促(cu)進(jin)大腦蛋白合成(cheng),幫助神(shen)經(jing)系(xi)統的(de)(de)(de)發育和(he)完善,同時也是(shi)人(ren)(ren)體(ti)內數(shu)十種(zhong)酶的(de)(de)(de)主(zhu)要成(cheng)分,動物(wu)(wu)性食品中富含(han)的(de)(de)(de)鋅(xin)(xin)在人(ren)(ren)體(ti)內較(jiao)易消化(hua)吸收,因(yin)此其(qi)(qi)被視為(wei)鋅(xin)(xin)的(de)(de)(de)良(liang)好(hao)來源。點帶石(shi)斑(ban)魚(yu)和(he)美洲黑石(shi)斑(ban)魚(yu)的(de)(de)(de)Fe含(han)量(liang)是(shi)幾(ji)種(zhong)石(shi)斑(ban)魚(yu)中最(zui)(zui)高(gao)的(de)(de)(de)。人(ren)(ren)體(ti)內的(de)(de)(de)礦(kuang)(kuang)物(wu)(wu)元(yuan)素(su)主(zhu)要來源于食物(wu)(wu),與其(qi)(qi)他養(yang)殖魚(yu)類(lei)相比,石(shi)斑(ban)魚(yu)所含(han)營(ying)(ying)養(yang)種(zhong)類(lei)更為(wei)全面(mian)且含(han)量(liang)豐富,特別(bie)是(shi)鐵(tie)和(he)鋅(xin)(xin)的(de)(de)(de)含(han)量(liang)。研究顯(xian)示(shi),營(ying)(ying)養(yang)性鐵(tie)缺乏(fa)和(he)鋅(xin)(xin)缺乏(fa)是(shi)嚴重影響(xiang)兒(er)童健康的(de)(de)(de)常(chang)見營(ying)(ying)養(yang)素(su)缺乏(fa)問題,因(yin)此含(han)有豐富磷、鈉、鎂、鋅(xin)(xin)和(he)鐵(tie)等(deng)元(yuan)素(su)的(de)(de)(de)石(shi)斑(ban)魚(yu)肌(ji)肉能夠很好(hao)的(de)(de)(de)滿(man)足(zu)人(ren)(ren)體(ti)特別(bie)是(shi)孩(hai)童對微量(liang)元(yuan)素(su)的(de)(de)(de)需(xu)求。