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.; christmasensis: Named for its type locality; adjectival. More on authors: Schwarzhans & Møller.
Environment: milieu / climate zone / depth range / distribution range
Marine; benthopelagic; depth range 15 - 22 m (Ref. 88966). Tropical
Southeastern Indian Ocean, Christmas Island.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.8 cm SL (female)
Morphology | Morphometrics
soft rays: 67;
Vertebrae: 43. This species is distinguished by the following characters: vertebrae 11+32=43; dorsal fin rays 78; anal fin rays 67; head with narrow scale patch on cheeks with 3 rows on upper cheek and 2 rows on lower cheek; operculum scaleless; stubby snout profile; lower preopercular pore 1; otolith with undifferentiated, short sulcus, dorsal rim anteriorly expanded, posteriorly depressed, otolith length to otolith height 2.15, otolith length to sulcus length 2.3 (Ref. 88966).
Cryptic and solitary, inhabits reef crevices (Ref. 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Schwarzhans, W. and P.R. Møller, 2011. New Dinematichthyini (Teleostei: Bythitidae) from the Indo-west Pacific, with the description of a new genus and five new species. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 27:161-177. (Ref. 88966)
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
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 (13 of 100) .