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.; suluensis: Named for its type locality, Sulu Sea; an adjective.. More on author: Schwarzhans.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 0 - 5 m (Ref. 90102). Tropical
Western Pacific: the Philippines.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.9 cm SL male/unsexed; (Ref. 81230)
Morphology | Morphometrics
soft rays: 56 - 64;
Vertebrae: 41 - 43. This species is distinguished by the following characters: D 72-82; A 56-64; moderately large eyes (2.1-2.5%SL); slender body; no cirri on snout; scales only cheeks; with upper preopercular pore; outer pseudoclasper moderately broad-based, long, sometimes beyond the hood when in resting position, while the inner one is half as long as the outer one, the anterior lobe large very long, twice as long as the posterior lobe; otolith length to height 2.1-2.2, with shallow dorsal rim and postdorsal angle; otolith length to sulcus length 1.7-1.8, ostium length to cauda length 3.3-3.7; vertebrae 11-12 + 30-32 = 41-43 (Ref. 81230).
Occurs in rocky surge area, rocky tidepool. A 3.9 cm SL gravid female (USNM 376179) with 325 embryos, 0.37 cm TL in length. Collected by rotenone (Ref. 81230). Cryptic, solitary inhabitant of shallow water (usually <5) (Ref 90102).
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
): 28.5 - 29.2, mean 28.8 (based on 250 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 (10 of 100) .