Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Ovalentaria/misc
(Various families in series Ovalentaria) > Ambassidae
Etymology: Parambassis: Greek, para = near + Greek, ambassis, anabasis = climbing up (Ref. 45335); bistigmata: The specific name alludes to the two distinct black spots at either side of the anal fin origin. Formed as a noun.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
Asia: Ranga River and Umtrao River of the Brahmaputra drainage in India.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.1 cm SL male/unsexed; (Ref. 90117)
Morphology | Morphometrics
soft rays: 11 - 12;
Vertebrae: 25. Distinguished from all other species of the genus Parambassis by having the following characters: two distinct black spots on either side of the anal-fin origin, connected by a narrow black curved line; a well developed pre-orbital edge with prominent, acute spines, partially obscuring the maxilla; dorsal and ventral side of caudal peduncle each with a black longitudinal stripe; and a vague, faint, vertically-elongate humeral spot (Ref. 90117).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Geetakumari, K., 2012. Parambassis bistigmata, a new species of glassperch from north-eastern India (Teleostei: Ambassidae). Zootaxa 3317:59-64. (Ref. 90117)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass 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=0.00933 (0.00301 - 0.02897), b=3.03 (2.78 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .