分類 / Names
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Teleostei >
Ovalentaria/misc (Various families in series Ovalentaria)
鱸形目 (Various families in series Ovalentaria) >
Pomacentridae (Damselfishes)
雀鯛科 (Damselfishes) > Microspathodontinae
Etymology: Stegastes: Greek, stegastos, -e, -on = covered (Ref. 45335).
More on author: Lacepède.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 礁區魚類; 非遷移的; 深度上下限 1 - 12 m (Ref. 7247). 熱帶; 30°N - 30°S
Indo-Pacific: Red Sea and East Africa to the Line, Marquesas, and Tuamoto islands, north to the Ryukyu and Bonin islands, south to New Caledonia and Tonga; throughout Micronesia. Excluding the Hawaiian Islands (Ref. 7247). Hawaiian population refers to Stegastes marginatus (Ref. 86689).
印度-太平洋: 紅海而且東非到列島群島，馬貴斯群島與 Tuamoto 島, 北至琉球與博寧群島, 南至新加勒多尼亞與東加; 在密克羅尼西亞各處。 除了夏威夷群島.(參考文獻 7247)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 14.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 4391); common length : 9.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5450)
背棘 (總數): 12; 背的軟條 (總數): 15-17; 臀棘 2; 臀鰭軟條: 12 - 14. Diagnosis: Adults generally brown; dorsal part of head and nape darker, grading to tan on lower part of head and breast. The scales have darker brown margins. The lips are whitish lips; the suborbital is mostly blue; the preopercle and opercle scales with blue centers. The median and pelvic fins are brown; the pectorals are dusky; a well-defined dark brown or blackish spot is sometimes present at base of posteriormost dorsal rays, which distinguishes it from S. lividus where the spot is diffuse. Males in courtship or guarding eggs with broad white bar across middle of body and pale blue stripe from mouth to upper part of pectoral fin (Ref. 510).
成魚通常褐色; 頭部與後頸的背部部份比較深色的, 漸層色到黃褐色的在頭部與胸部的較下面的部位上。 鱗片有較深色的褐色邊緣。 唇是微白色的唇; 眶下骨大部份藍色; 前鰓蓋骨與鰓蓋鱗片有藍色的中心。 中動脈與腹鰭是褐色; 胸鰭是暗色的; 一很清晰深褐色或者黑色的斑點在最後面背鰭鰭條的基底有時候有, 可用來與斑點是擴散的 S. lividus 區別。 在求偶期或守衛魚卵的雄性有寬的橫過身體與胸鰭的藍灰色斑紋從口部到上半部的中央的白色的橫帶。
Adults inhabit reef flats and lagoon reefs. Frequently occur in colonies associated with live or dead branching staghorn coral (Acropora). Feed on algae, gastropods, sponges, and copepods. Territorial, maintain and 'weed' filamentous algae patches growing on dead coral (Ref. 9710). They attack human intruders without hesitation, sometimes taking painful nips. Particularly aggressive during reproductive periods. The species emit clicking noises during aggressive encounters. Oviparous, males tend the nest visited by several females (Ref. 59295).
棲息於礁石平臺與潟湖礁。 時常出現在集群伴隨著活或死的分枝鹿角珊瑚 ( Acropora).. 吃藻類, 腹足動物，海綿與橈腳類的動物。 領域性，維持與 '雜草' 菌絲藻區塊生長在死珊瑚上.(參考文獻 9710) 他們攻擊沒有暫停的入侵的人類, 有時咬一口令人疼痛。 特別具有侵略性在生殖的期間。 此魚種在與侵略者遭遇的時候發出卡嗒聲。 卵生的, 雄性傾向被好幾隻雌魚拜訪的巢.(參考文獻 59295)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).印度-太平洋: 紅海而且東非到列島群島，馬貴斯群島與 Tuamoto 島, 北至琉球與博寧群島, 南至新加勒多尼亞與東加; 在密克羅尼西亞各處。 除了夏威夷群島.(參考文獻 7247)
Allen, G.R. and A.R. Emery, 1985. A review of the Pomacentrid fishes of the genus Stegastes from the Indo-Pacific, with descriptions of two new species. Indo-Pac. Fish. (3):31. (Ref. 510)
人類使用
漁業: 低經濟; 水族館: 公眾的水族館
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參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工NutrientsMass conversion
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Estimates based on models
Preferred temperature (Ref.
123201): 25 - 29.3, mean 28.4 °C (based on 3006 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02399 (0.01480 - 0.03888), b=3.02 (2.88 - 3.16), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.2 ±0.0 se; based on diet studies.
Generation time: 1.9 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (K=0.5-1.1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (13 of 100).
Nutrients (Ref.
124155): Calcium = 130 [67, 211] mg/100g; Iron = 0.938 [0.553, 1.586] mg/100g; Protein = 18.2 [17.0, 19.4] %; Omega3 = 0.0973 [, ] g/100g; Selenium = 27.5 [14.6, 56.1] μg/100g; VitaminA = 45 [11, 168] μg/100g; Zinc = 1.96 [1.29, 2.92] mg/100g (wet weight);
