Actinopteri (ray-finned fishes) > Ophidiiformes
(Cusk eels) > Dinematichthyidae
Etymology: Dermatopsis: Greek, derma = skin + Greek, opsis = appearance (Ref. 45335); greenfieldi: Named for David. W. Greenfield, Moss Landing Marine Lab, USA.. More on authors: Møller & Schwarzhans.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 1 - 10 m (Ref. 57886), usually - m (Ref. ). Tropical; 0°C -
Central Pacific: Fiji.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.3 cm SL (female)
Morphology | Morphometrics
soft rays: 44 - 49;
Vertebrae: 39 - 41. This species is characterized by the following: vertebrae 11-12 + 27-29 = 39-41, dorsal fin rays 64-70, anal fin rays 44-49; body with scales; eye 1.8-2.6 % SL, sharp spine on ventral maxilla positioned behind rear tip of eye; otolith with pointed posterior tip and weak postdorsal angle, it is elongate, length to height ratio 2.1-2.2, sulcus with separated colliculi (Ref. 57886); large, broad single pair of (outer) pseudoclaspers, inwardly connected to isthmus with ligament, and has 2 supporters, the anterior inclined, short, joined at base to massive and long posterior supporter (Ref. 76869).
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. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 26.8 - 29.3, mean 28 °C (based on 247 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.5 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .