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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Saccogaster: Latin, sacculus = small bag + Greek, gaster = stomach (Ref. 45335).
More on author: Alcock.
Environment: milieu / climate zone / Tiefenbereich / distribution range
Ökologie
seewasser bathydemersal; tiefenbereich 265 - 600 m (Ref. 34024). Deep-water
Indian Ocean: India, Bay of Bengal and Gulf of Aden.
Size / Gewicht / Alter
Geschlechtsreife: Lm ? range ? - ? cm
Max length : 8.7 cm SL Männchen/unbestimmt; (Ref. 93007); 8.1 cm SL (female)
Rückenflossenweichstrahlen (insgesamt) : 83 - 85; Afterflossenweichstrahlen: 53 - 56; Wirbelzahl: 53 - 55. This species is distinguished from its congeners by the following set of characters: distinct pair of (probably) free spines on frontal plate above and behind eyes; strong ethmoidal spine located in front of eyes; with scales on sides of body but not on predorsal; some specimens possess ventral arm of opercle terminating in a short spine; opercular spine free, with one prong; with 2 posterior infraorbital pores, 1 supraorbital pore at upper angle of gill opening and 1 posterior mandibular behind maxillary; anterior gill arch with 3 long rakers about half length of longest filaments; pectoral peduncle is elongated; with several tooth rows on palatines; vertebrae, precauda 12-13, total 53-55; fin D 83-85, A 53-56, pectoral 17-18 (Ref. 93007).
Body shape (shape guide): elongated; Cross section: oval.
Rare species (Ref. 34024).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Males have a bilobed genital papilla (intromittent organ) (Ref. 205).
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)
IUCN Rote Liste Status (Ref. 130435: Version 2025-1)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
Zusatzinformationen
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Internet Quellen
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=0.00447 (0.00172 - 0.01163), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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