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Teleostei >
Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Galeichthyinae
Etymology: Galeichthys: Greek, galeos = a shark + Greek, ichthys = fish (Ref. 45335).
More on author: Castelnau.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
海洋 礁区鱼类. 亞熱帶的; 34°S - 35°S
Southeast Atlantic: South Africa and Namibia.
東南大西洋: 南非。
首次成熟时的长度 / 大小 / 重量 / 年龄
成熟度: Lm 24.5  range ? - ? cm
Max length : 45.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3976)
臀棘: 0; 臀鳍软条: 19 - 22. This species is distinguished with the following characters: short head, nearly as broad as long; blunt snout, well-rounded in lateral profile and dorsally; palatal tooth patches posterior to premaxillary tooth band meet at midline; rounded caudal-fin lobes, of near equal length, fin not deeply forked; short and thick caudal peduncle; underside of body (both head and belly) covered with fine brown specks; anterior gill-rakers on first arch 10-13 (5 + 5); pectoral fin rays 9-12; fatty growth along pectoral fin spines of breeding females not present outside spawning season. Dimorphism present with posterior (humeral) process of cleithrum obvious externally, fan-shaped in females, triangular in males; smooth and shallow dorsomedian cranial depression on exposed skull not reaching supraoccipital process (Ref. 85159).
Body shape (shape guide): elongated.
深褐色的到黑色的, 些微腹部颜色较淡与覆盖着褐色斑点的整个表面下。
Carnivorous on benthic invertebrates, primarily annelids (Ref. 4332).
肉食性的捕食底栖的无脊椎动物, 主要地环节动物.(参考文献 4332)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
A paternal mouth brooder. 東南大西洋: 南非。
Kulongowski, C., 2010. Revision of the ariid catfish genus Galeichthys Valenciennes (subfamily Galeichthyinae), with description of a new species from South Africa and designation of a neotype for G. ater Castelnau. Smithiania Bull. (12):9-23. (Ref. 85159)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 低经济
工具
特别资料
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基于模型的估算
系统发育多样性指数 (参考文献 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00427 (0.00168 - 0.01086), b=3.07 (2.84 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.6 ±0.48 se; based on food items. |
回复力 (参考文献 120179) |
中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.). |
渔业脆弱性 (Ref. 59153) |
Low to moderate vulnerability (34 of 100). 🛈 |
价格分类 (Ref. 80766) |
Medium.
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