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Teleostei (teleosts) > Anabantiformes (Gouramies, snakeheads) > Badidae (Chameleonfishes)
Etymology: Badis: 'badis' is presumably a Bengali local name, possibly derived from 'bhedo' or 'bheda', but it lacks a proper reference. Probably incorrect etymology (J. Müller, pers. comm., April 2021, after information from native speakers); khwae: Named after its type locality, Mae Nam Khwae Noi.
More on authors: Kullander & Britz.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic; depth range 0 - 2 m (Ref. 46238). Tropical

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Asia: Thailand.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 2.9 cm SL male/unsexed; (Ref. 46238)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 16 - 17; Dorsal soft rays (total): 8 - 10; Anal soft rays: 7 - 8; Vertebrae: 27 - 28. Possesses a dark blotch on the dorsolateral aspect of the caudal peduncle present. Postorbital stripe angled. Rounded caudal fin; blotch on caudal peduncle small and confined to the side of the caudal peduncle. Absence of a pattern of horizontal rows alternating light and dark stripes along side and absence of prominent dark spots in vertical bars or horizontal rows. Dark bar entirely across the caudal fin base with the dorsalmost portion darker and separated from the rest by light band instead of the 3 dark blotches in most Badis species. Scales in lateral row 27-28 (Ref. 46238).

The type locality was a small creek, 1-2 m wide, 0.1-0.3 m deep; sandy bottom with some aquatic vegetation, in a cultivated area; located in a deep groove, covered by trees. Also collected from a relatively large stream and from a spring fed reservoir, up to 2 m deep (Ref. 46238).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Kullander, S.O. and R. Britz, 2002. Revision of the family Badidae (Teleostei: Perciformes), with description of a new genus and ten new species. Ichthyol. Explor. Freshwat. 13(4):295-372. (Ref. 46238)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 20 July 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest

FAO - Publication: search | FishSource |

More information

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01175 (0.00501 - 0.02757), b=2.92 (2.72 - 3.12), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Low, minimum population doubling time 4.5 - 14 years (Assuming Fec<100).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Badis khwae Kullander & Britz, 2002