分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Anguilliformes (Eels and morays)
鰻鱺目 (Eels and morays) >
Ophichthidae (Snake eels)
蛇鰻科 (Snake eels) > Ophichthinae
Etymology: Yirrkala: Named for its type locality Yirrkala, Caledon Bay, Gulf of Carpentaria, Queensland, Australia.; ori: Named for the Oceanographic Research Institute of South Africa, which collected these and many other valuable specimens..
More on author: McCosker.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的; 深度上下限 ? - 20 m (Ref. 86861).
Western Indian Ocean: South Africa.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 43.8 cm TL 雄魚/尚未辨別雌雄; (Ref. 86861); 35.3 cm TL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
脊椎骨: 149 - 152. This species is distinguished by the following set of characters: head 6.2-6.7% TL; tail 50% TL; dorsal-fin origin nearly above gill openings; eye behind middle of upper jaw; supraorbital pores 4; teeth conical, minute, uniserial on jaws and vomer; colour yellowish, slightly darker dorsally; total vertebrae 149-152; mean vertebral formula 6.5-74-150 (n=4) (Ref. 86861).
Inhabits coarse sand substrate (Ref. 86861).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
McCosker, J.E., 2011. Two new Indo-Pacific species of the sand-eel genus Yirrkala (Anguilliformes: Ophichthidae). Smithiana Bulletin 13:45-50. (Ref. 86861)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00089 (0.00039 - 0.00204), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
