Teleostei >
Gobiiformes (Gobies) >
Kraemeriidae (Sand darters)
Eponymy: Professor Augustin Friedrich Krämer (1865–1941) was born in Chile to German parents who returned to Germany (1867). [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 淡水; 半咸淡水 礁区鱼类; 深度上下限 0 - 5 m (Ref. 86942). 热带; 14°N - 18°S
Indo-Pacific: East Africa to the Society Islands (Ref. 1602).
印度-太平洋: 东非到社会群岛。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 3.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 4343)
背棘 (总数) : 5 - 6; 背的软条 (总数) : 14; 臀棘: 1; 臀鳍软条: 13. Diagnosis: Characterized by translucent whitish colour with brown speckling and reddish smudge on occipital region; broadly separated spinous and soft portions of dorsal rays, fully connected by membrane, a broader gap between fifth and sixth dorsal spines compared to gap between previous spines; fourth to seventh pectoral-fin rays branched; pelvic fins separated to base with branched rays; 10 cirri on lower edge of gill cover instead of scalloped margin; depth of body 8.5-10.2 times in standard length, head length 3.9-4.3 in standard length; narrow interorbital space, less than half of eye diameter (Ref. 90102).
在前鳃盖骨的下面边缘上的 6 到 7个鳃盖,5 到在鳃盖的低边缘上的 6个鳃盖。 舌分成两叶的。
Inhabits sandy areas subject to strong wave action (Ref. 1602). Also reported from freshwater streams, mainly where freshwater streams ran dead in beach (Ref. 404, 4343). It feeds on polychaetes (Ref. 4343). Of no commercial interest but may be taken incidentally (Ref. 48316).
栖息于沙地受强的波浪活动支配.(参考文献 1602) 也记录自淡水溪流。 (参考文献 4343) 吃多毛类动物。 (参考文献 4343) 没有商业的利益但是可能被附带地捕获.(参考文献 48316)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
印度-太平洋: 东非到社会群岛。
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
工具
特别资料
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Estimates based on models
Preferred temperature (Ref.
123201): 27 - 29.4, mean 28.5 °C (based on 1178 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5098 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.1 ±0.26 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
