分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Ariidae (Sea catfishes)
海鯰科 (Sea catfishes) > Galeichthyinae
Etymology: Galeichthys: Greek, galeos = a shark + Greek, ichthys = fish (Ref. 45335).
More on author: Castelnau.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
海洋 礁區魚類. 亞熱帶的; 34°S - 35°S
Southeast Atlantic: South Africa and Namibia.
東南大西洋: 南非。
Length at first maturity / 大小 / 重量 / 年齡
成熟度: Lm 24.5 range ? - ? cm
Max length : 45.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 3976)
臀棘: 0; 臀鰭軟條: 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, 些微腹部顏色較淡與覆蓋著褐色斑點的整個表面下。
Carnivorous on benthic invertebrates, primarily annelids (Ref. 4332).
肉食性的捕食底棲的無脊椎動物, 主要地環節動物.(參考文獻 4332)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
人類使用
漁業: 低經濟
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00166 - 0.01096), b=3.08 (2.85 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.6 ±0.48 se; based on food items.
回復力 (參考文獻
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (35 of 100).
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