分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Blenniiformes (Blennies) >
Dactyloscopidae (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
生态学
海洋 居于水底的; 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 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 5.2 cm TL 雄鱼/尚未辨别雌雄; (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.
栖息于在礁附近的砂质底部了。 (参考文献 37955) 吃小鱼与无脊椎动物。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
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)
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俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场产卵群集孕卵数卵卵的发育
年龄范围成长体长-体重体长-体长体长-频率形态测量图型态特徵仔鱼稚鱼动力学入添量丰度BRUVS
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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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).
营养阶层 (Ref.
69278): 4.0 ±0.61 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).