Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 6 - 15 m (Ref. 57886). Temperate; 25°S - 34°S (Ref. 57886)
Eastern Indian Ocean: Western Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 19.7 cm SL male/unsexed; (Ref. 57886); 16.2 cm SL (female)
Morphology | Morphometrics
soft rays: 109 - 124;
Vertebrae: 79 - 87. The species is distinguished in having a very elongate, almost eel-like body; vertebrae 22-25 + 57-65 = 79-87, dorsal fin rays 161-191, anal fin rays 109-124, D/A 58-75, V/A 27-28; no scales; no supraorbital pore behind eye; lower preopercular pores 2; posterior infraorbital pores 3; broad angle on ventral maxilla positioned behind rear of eye; exposed opercular spine small, short, straight; lower lip with prominent skin folds; single pair of pseudoclaspers curved outwards, with narrow base and pointed tip, with broadly expanded fleshy flaps anteriorly and posteriorly; penis small, less than half the length of pseudoclaspers, with hook at tip; otoliths
pointed anteriorly, rounded posteriorly, predorsal angle more pronounced than postdorsal angle (Ref. 57886).
Uncommon species inhabiting shallow reefs (Ref. 34024). A benthic species (Ref. 75154).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Møller, P.R. and W. Schwarzhans, 2006. Review of the Dinematichthyini (Teleostei, Bythitidae) of the Indo-west Pacific, Part II. Dermatopsis, Dermatopsoides and Dipulus with description of six new species. The Beagle 22:39-76. (Ref. 57886)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 18 - 23.8, mean 20.1 (based on 76 cells).
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00178 - 0.01122), 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
): 3.4 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (32 of 100) .