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Gobiiformes (Gobies)
鱸形目 (Gobies) >
Kraemeriidae (Sand darters)
沙鱧科 (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
生態學
海洋; 淡水; 半鹹淡水 礁區魚類; 深度上下限 0 - 5 m (Ref. 86942). 熱帶; 14°N - 18°S
Indo-Pacific: East Africa to the Society Islands (Ref. 1602).
印度-太平洋: 東非到社會群島。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 3.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 4343)
背棘 (總數) : 5 - 6; 背的軟條 (總數) : 14; 臀棘: 1; 臀鰭軟條: 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).
在前鰓蓋骨的下面邊緣上的 6 到 7個鰓蓋,5 到在鰓蓋的低邊緣上的 6個鰓蓋。 舌分成兩葉的。
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).
棲息於沙地受強的波浪活動支配.(參考文獻 1602) 也記錄自淡水溪流。 (參考文獻 4343) 吃多毛類動物。 (參考文獻 4343) 沒有商業的利益但是可能被附帶地捕獲.(參考文獻 48316)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
印度-太平洋: 東非到社會群島。
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 10 March 2015
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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).
營養階層 (Ref.
69278): 3.1 ±0.26 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
