分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Saccogaster: Latin, sacculus = small bag + Greek, gaster = stomach (Ref. 45335); brayae: Named for Dianne Bray, MNV..
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 ? - 258 m (Ref. 93007).
Eastern Indian Ocean: Australia.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 3.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 93007)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 80 - 85; 臀鰭軟條: 52; 脊椎骨: 53. This species is distinguished from its congeners in having a broken brown stripe between eye and hind margin of opercle (except for S. hawaii), vertebrae, precaudal 21 and total 53; mature at a very small SL (3.6 cm); also with a pair of free spines on frontal above and behind eyes, a large median sub-dermal ethmoidal spine in front of eyes with forward pointed tip; lower angle of preopercle with antero-ventrally directed spine; skin thin and transparent; scales present on sides of body; anterior arch with 3 long gill rakers, 4-5 times the length of gill filaments; 1-2 rows of palatine teeth; pectoral peduncle longer than high; fin rays, D 85, A 52 and pectoral 18; otolith length to height 9; otolith length to colliculum length 3.1; sulcus without anterior projection (Ref. 93007).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Nielsen, J.G., W. Schwarzhans and D.M. Cohen, 2012. Revisions of Hastatobythites and Saccogaster (Teleostei, Bythitidae) with three new species and a new genus. Zootaxa 3579:1-36. (Ref. 93007)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00179 - 0.01169), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.5 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 vulnerability (10 of 100).
