Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Gobiidae
(Gobies) > Gobiinae
Etymology: discus: The species name discus is from the Latin meaning dish or dish-like, in reference to the flat pelvic fins of adults.. More on author: Randall.
Environment / Climate / Range
Marine; reef-associated; depth range 0 - 16 m (Ref. 89154). Tropical, preferred ?; 18°N - 17°N, 39°E - 40°E
Indian Ocean: known from specimens from the Suakin Archipelago off Sudan, and the Seven Brothers Islands (Sawabi Islands) in the Gulf of Aden near the southern end of the Red Sea (Ref. 89154).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 1.9 cm SL male/unsexed; (Ref. 89154)
Morphology | Morphometrics
Dorsal-fin rays I,8; anal-fin rays I,9; pectoral-fin rays 14–15, some rays branched; scales on body reaching forward to or nearly to above base of pectoral fins, the longitudinal scale series 34–52, transverse scale rows 10–13; body very slender, the depth at anus 11–13% SL; head length 28–30% SL; head width slightly greater than head depth; head depth 43.5–50% head length; snout length 29–31% head length; jaws same length or lower jaw slightly protruding; lower jaw rounded in ventral view; gill opening wide, extending forward to below posterior edge of orbit; posterior interorbital pore (D) present; curved canine tooth at middle of side of lower jaw; pelvic fins flat and dish-like in adults (cup-like in 13.6-mm paratype); pelvic frenum with anteriorly-facing pocket; caudal fin truncate to rounded; numerous dark brown dots only on ventral half of body posterior to abdomen in preserved specimens; dorsal half of body transparent in life with seven saddle-like, pink and black bars (including one on nape), lower half of body pink, suffused with some yellow, and densely blotched and dotted with black. A small species, the holotype largest, 19.4 mm SL (Ref. 89154).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Suzuki, T., S.V. Bogorodsky and J.E. Randall, 2012. Gobiid fishes of the genus Bryaninops from the Red Sea, with description of two new species and two new records. Zootaxa 3170:1-17. (Ref. 89154)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00419 - 0.01894), b=3.07 (2.90 - 3.24), based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.0 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .