分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Blenniiformes (Blennies)
鱸形目 (Blennies) >
Dactyloscopidae (Sand stargazers)
指鰧科 (Sand stargazers)
Etymology: Dactyloscopus: Greek, daktylos = finger + Greek, skopein = to look (Ref. 45335).
More on author: Gill.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 0 - 45 m (Ref. 11482). 熱帶
Eastern Pacific Ocean: from the Gulf of California and southwestern tip of Baja California northward to Bahia Santa Maria. Former subspecies D. pectoralis fallax (Mexico to Ecuador, including Cocos Island) and D. pectoralis insulatus (Revillagigedo Islands) in Ref. 11482 were elevated to species level.
東太平洋: 三個亞種辨認出: 鰭指鰧〔Dactyloscopus pectoralis〕 pectoralis 從加州灣與下加利福尼亞的外部海岸 , 來自 Sinaloa ，墨西哥到厄瓜多的 鰭指鰧〔Dactyloscopus pectoralis〕 fallax, 包括可可島 , 與 鰭指鰧〔Dactyloscopus pectoralis〕 insulatus 從雷維拉吉哥多島。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 5.2 cm TL 雄魚/尚未辨別雌雄; (Ref. 11482)
Distinguished from D. fallax and D. insulatus by having the following characters: scales absent above the lateral line; upper lip fimbriae, modally 9; preopercular canal pores, modally 5; unbranched labial fimbriae (Ref. 82814).
Found on sandy bottoms near reefs (Ref. 37955). Feeds on small fishes and invertebrates (Ref. 11482). Minimum depth from Ref. 58018.
棲息於在礁附近的砂質底部了。 (參考文獻 37955) 吃小魚與無脊椎動物。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
東太平洋: 三個亞種辨認出: 鰭指鰧〔Dactyloscopus pectoralis〕 pectoralis 從加州灣與下加利福尼亞的外部海岸 , 來自 Sinaloa ，墨西哥到厄瓜多的 鰭指鰧〔Dactyloscopus pectoralis〕 fallax, 包括可可島 , 與 鰭指鰧〔Dactyloscopus pectoralis〕 insulatus 從雷維拉吉哥多島。
Allen, G.R. and D.R. Robertson, 1994. Fishes of the tropical eastern Pacific. University of Hawaii Press, Honolulu. 332 p. (Ref. 11482)
人類使用
更多資訊
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年龄/大小成長長度-重量長度-長度長度-頻率形態測量圖型態特徵仔魚稚魚動力學入添量豐度BRUVS
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
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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Estimates based on models
Preferred temperature (Ref.
123201): 20.6 - 28.4, mean 24.7 °C (based on 56 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.0 ±0.61 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
