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: Paradiancistrus: Named for its most similar genus, Diancistrus.; cuyoensis: Named for its type locality, Cuyo Islands, NE Palawan, Philippines. More on authors: Schwarzhans, Møller & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 0 - 33 m (Ref. 57884). Tropical
Western Pacific: Philippines.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.6 cm SL male/unsexed; (Ref. 57884); 5.7 cm SL (female)
Morphology | Morphometrics
soft rays: 62 - 65;
Vertebrae: 42 - 43. The species is characterized by the following: vertebrae 11+31-32=42-43, dorsal fin rays 76-81, anal fin rays 62-65; large eyes (2.4-2.5% SL); lower preopercular pores 1; outer pseudoclasper narrow wing-shaped, moderately long; inner pseudoclasper a long thin flap, anteriorly joined to outer pseudoclasper forming a u-shaped structure, with supporter; moderately broad scale patch on cheek with 5-7 scale rows on upper cheek, no scales on operculum; the head profile with a stubby snout (Ref. 57884).
Solitary in reef crevices to 33 m, cryptic (Ref 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Schwarzhans, W., P.R. Møller and J.G. Nielsen, 2005. Review of the Dinematichthyini (Teleostei, Bythitidae) of the Indo-West-Pacific. Part I. Diancistrus and two new genera with 26 new species. The Beagle, Records of the Museum and Art Galleries of the Northern Territory 21:73-163. (Ref. 57884)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 28.4 - 29.3, mean 28.8 (based on 364 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00174 - 0.01147), 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
): 3.2 ±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 (11 of 100) .