Actinopteri (ray-finned fishes) > Gobiesociformes
(Clingfishes) > Gobiesocidae
(Clingfishes and singleslits) > Diademichthyinae
Etymology: Discotrema: Greek, diskos = disc shape + Greek, trema = hole (Ref. 45335). More on author: Briggs.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 8 - 20 m (Ref. 30874). Tropical
Western Pacific: Ryukyu Islands, Bismarck Archipelago and the Fiji Islands. Recently reported from Christmas Island (Ref. 30874), Taiwan (Ref. 5193) and the Great Barrier Reef (Ref. 2334).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm SL male/unsexed; (Ref. 48635)
soft rays: 7 - 8;
Vertebrae: 35. Distinguished from its congeners by the following characters: pectoral ray count 23-28; head width 4.3-5.3 in SL; snout length 2.8-3.5 in HL; disc length 4.2-4.9 in SL; a mid-dorsal white or pale yellow stripe and a lateral stripe on head and body (Ref. 75094)
Found in protected coastal reefs from shallow reef flats to about 20 m depth along slopes and walls (Ref. 48635). Found among arms of crinoids (Ref. 2334, 559) as a commensal particularly with Comanthus bennetti (Ref. 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 24.9 - 29.3, mean 28.5 °C (based on 1882 cells).
Phylogenetic diversity index (Ref. 82805
= 0.6250 [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
): 3.7 ±0.3 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) .
Nutrients (Ref. 124155
): Calcium = 188 [95, 386] mg/100g ; Iron = 0.769 [0.390, 1.416] mg/100g ; Protein = 17.9 [16.6, 19.2] % ; Omega3 = 0.151 [0.078, 0.298] g/100g ; Selenium = 21.9 [9.4, 48.0] μg/100g ; VitaminA = 309 [90, 997] μg/100g ; Zinc = 2.25 [1.39, 3.60] mg/100g (wet weight);