Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Ophidiiformes
(Cusk eels) > Bythitidae
(Viviparous brotulas) > Brosmophycinae
Etymology: Alionematichthys: Name from Latin alius meaning the other or different, and nematichthys, the stem of the genus name Dinematichthys, to which this genus is most similar.; winterbottomi: Named for Richard Winterbottom, ROM, Toronto, Canada; noun in apposition.. More on author: Schwarzhans.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 0 - 20 m (Ref. 81230). Tropical
Western Central Pacific: restricted to the Fiji and Tonga islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm SL male/unsexed; (Ref. 81230); 8.8 cm SL (female)
Morphology | Morphometrics
soft rays: 61 - 65;
Vertebrae: 40 - 43. This species is distinguished by the following characters: D 80-86; A 61-65; moderately large eyes (2.3-3.0%SL); moderately slender body; many cirri on snout; scales on cheeks and a patch above opercular spine with 5-9 scales; with upper preopercular pore; outer pseudoclasper broad-based, do not extend beyond the hood when in resting position, while the inner one is short, thin, free from the outer one, bifurcate, the anterior pointed lobe short and the posterior lobe much expanded posteriorly; otolith length to height 2.0-2.2, with shallow dorsal rim and weak postdorsal angle; otolith length to sulcus length 1.6-1.7, ostium length to cauda length 3.0-4.5; vertebrae 11(-12) + 29-32 = 40-43 (Ref. 81230).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Møller, P.R. and W. Schwarzhans, 2008. Review of the Dinematichthyini (Teleostei, Bythitidae) of the Indo-west Pacific, Part IV. Dinematichthys and two new genera with descriptions of nine new species. The Beagle 24:87-146. (Ref. 81230)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 26.2 - 28.9, mean 27.1 (based on 185 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00175 - 0.01142), b=3.10 (2.88 - 3.32), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (17 of 100) .