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 / depth range / 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
Maturity: 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).
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 2024-1)
人類使用
漁業: 低經濟
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Estimates based on models
Phylogenetic diversity index (Ref.
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 (Ref.
69278): 3.6 ±0.48 se; based on food items.
回復力 (Ref.
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).
