Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Ophidiiformes
(Cusk eels) > Bythitidae
(Viviparous brotulas) > Bythitinae
Etymology: Parasaccogaster: Name refers to the similarity to Saccogaster..
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range ? - 210 m (Ref. 34024). Deep-water
Western Central Atlantic: known from a single specimen taken from off Mississippi Delta, Gulf of Mexico.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.0 cm SL male/unsexed; (Ref. 93007)
Morphology | Morphometrics
soft rays: 49;
Vertebrae: 58. This species is distinguished from its congeners by the following characters: with antrorse, hook-like projection at the postero-ventral angle of the maxillary; a median spine on frontals above and behind eyes; low number of pectoral fin rays (12); ethmoidal spine is strong; prolonged pectoral peduncle adnate to body; anterior gill arch with 2-3 slightly developed rakers; palatines with a tooth row; short gill filaments on anterior arch, 1-2 times length of developed rakers; vertebrae, precaudal 20, total 58; fin rays, D 77, A 49 and pectoral 12 (Ref. 93007).
Rare species, known from a single specimen (Ref. 34024).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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 Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (12 of 100) .