分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Sicydiinae
Etymology: Stiphodon: Greek, stiphos, -eos, -oys = mass + Greek, odous = teeth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 淡水; 半咸淡水 居于水底的; 非产卵性溯降河的 (Ref. 82685). 亞熱帶的
Asia: Ryukyu Islands and Taiwan. Oceania: Guam, Mariana Islands and Babelthuap, Palau.
亞洲: 琉球群島與台灣。 大洋洲: 關島，馬里亞納群島與帛琉的巴貝爾沙普島。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 2.0 range ? - ? cm
Max length : 3.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 28731); 4.2 cm SL (female)
背棘 (总数): 6 - 7; 背的软条 (总数): 9-10; 臀棘 1; 臀鳍软条: 10 - 11
Adults inhabit small, clear streams with rocky bottoms usually covered with dense mats or clumps of algae (Ref. 28731). This species produces small pyriform eggs, laid on the undersurfaces of stones in freshwater streams. Newly hatched larvae are small (0.12-0.13 cm in notochord length) and poorly developed. These migrate downstream to the sea shortly after hatching at dusk, where they develop as pelagic larvae for 2.5-5 months. Pelagic larvae may potentially disperse to distant islands before migrating to freshwater streams when they reach 1.3-1.4 cm standard length (SL) where they grow further and reproduce (Ref. 95104).
栖息于通常被覆盖着密集的海藻席或海藻丛的小且清澈的具有岩石底部的溪流。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲: 琉球群島與台灣。 大洋洲: 關島，馬里亞納群島與帛琉的巴貝爾沙普島。
Watson, R.E and I.-S. Chen, 1998. Freshwater gobies of the genus Stiphodon from Japan and Taiwan (Teleostei: Gobiidae: Sicydiini). aqua, J. Ichthyol. Aquat. Biol. 3(2):55-66. (Ref. 28731)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Generation time: 0.7 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (tm=0.5; tmax<2;).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
