Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Cypriniformes
(Carps) > Gastromyzontidae
Etymology: Gastromyzon: Greek, gaster = stomach + Greek, myzo = to suckle (Ref. 45335); stellatus: From the Latin adjective stellatus, meaning starry, in reference to the numerous yellow spots on the black body.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical
Asia: Sarawak, Sadong and Lupar River basins in Sarawak, Malaysia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.2 cm SL male/unsexed; (Ref. 57871)
Morphology | Morphometrics
soft rays: 4;
Vertebrae: 31 - 32. Can be distinguished from its congeners by having the following unique combination of characters: a dark brown body with numerous yellow fine spots and blotches, head dark brown with numerous yellow spots; sublacrymal groove visible from side; secondary rostrum absent; post-oral pouch absent; subopercular groove absent; gill slit vertical; a truncate snout when viewed dorsally; abdomen without scales; lateral line scales 66-69; pelvic fin not overlapping level of anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin (Ref. 57871).
Inhabits fast flowing rocky streams (Ref. 84801).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Tan, H.H., 2006. The Borneo suckers. Revision of the torrent loaches of Borneo (Balitoridae): Gastromyzon, Neogastromyzon). Kota Kinabalu, Sabah, Malaysia : Natural History Publications (Borneo) in association with Raffles Museum of Biodiversity Research. vii, 245 p. : ill. (some col.), maps ; 26 cm. (Ref. 57871)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00172 - 0.01158), b=3.14 (2.91 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.3 ±0.1 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .