Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Cypriniformes
(Carps) > Gastromyzontidae
Etymology: Neogastromyzon: Greek, neos = new + Greek, gaster = stomach + Greek, myzo = to suckle (Ref. 45335); crassiobex: Derived from the Latin crassus (thick) and obex (bar), in allusion to the thick cream bars on the body, as compared to its congeners.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; depth range - m (Ref. ), usually - m (Ref. ). Tropical; 0°C -
Asia: Kinabatangan River basin in Sabah, Malaysia and Sebuku River basin in Kalimantan Timur, Indonesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.9 cm SL male/unsexed; (Ref. 57871)
Morphology | Morphometrics
soft rays: 5 - 6. Can be distinguished from its congeners by possessing the following unique combination of characters: body dark brown, dorsum with 7 thick cream bars, side with complete bars, head dorsum brown with thick cream reticulate pattern; absence of secondary rostrum; absence of sublacrymal groove; presence of shallow postoral pouch; presence of subopercular groove; gill slit slanted, gill opening above 4th pectoral branched fin ray; pectoral fin origin level after eye; an elongate rounded snout when viewed dorsally; abdomen without scales; lateral line with 68-78 scales; pectoral fin not overlapping anterior of pelvic fin; pelvic fin not overlapping anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin (Ref. 57871).
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. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00185 - 0.01127), b=3.14 (2.92 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.8 ±0.3 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .