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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Saccogaster: Latin, sacculus = small bag + Greek, gaster = stomach (Ref. 45335).
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser bathydemersal; tiefenbereich 440 - 850 m (Ref. 93007). Deep-water
Indo-Pacific: off East Africa to Hawaii.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 16.0 cm SL (female)
Rückenflossenweichstrahlen (insgesamt) : 82 - 93; Afterflossenweichstrahlen: 54 - 60; Wirbelzahl: 55 - 58. This species is distinguished from its congeners by the following set of characters: body scaleless; frontal plate with a pair of small, sub-dermal spines just behind eyes, median sub-dermal ethmoidal spine in front of eyes; skin is rather thick; a large posterior mandibular pore behind end of maxilla; snout with a cartilaginous ethmoidal spine; opercular spine is hidden, no preopercular spine; anterior gill arch with 3 developed rakers, almost equal in length to developed rakers; pectoral peduncle is prolonged; no fangs on dentigerous bones, 3 to several tooth rows on palatines; vertebrae, precaudal 14-15, total 55-58; fin rays, D 82-93, A 54-60 and pectoral 19-22; otolith length to height, 2-2.1, otolith length to colliculum length variable, 2.5-3.3 (Ref. 93007).
Body shape (shape guide): elongated; Cross section: oval.
A benthic species (Ref. 58302) found on the continental slope (Ref. 75154). Rare species (Ref. 34024).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00468 (0.00186 - 0.01174), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
3.4 ±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.). |
Anfälligkeit der Fischerei (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |