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> Cypriniformes (Carps) > Acheilognathidae (Bitterlings)
Etymology: Acheilognathus: Greek, a = without + Greek, cheilos = lip + Greek, gnathos = jaw (Ref. 45335); microphysa: From the Greek mikros (small) and physis (air bladder), alluding to greatly reduced posterior chamber of air-bladder..
More on authors: Yang, Chu & Chen.

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

; स्वच्छ जल, अलवण जल बेनथोपिलाजिक; गहराई सीमा 1 - 10 m (Ref. 26748). Subtropical

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Asia: Yunnan, China.

आकार / वज़न / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.8 cm SL पुल्लिंग / अलिंग; (Ref. 26748)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

जानवरों की रीड़ का जोड़: 35 - 37. Can be diagnosed by the combination of the following characters: slender body (body depth 28.22-33.90% SL) and caudal peduncle (depth of caudal peduncle 10.10-11.43% SL), large eyes (eye diameter 33.30-39.04% HL), reduced posterior chamber of air-bladder and terminal mouth (Ref. 26748).

Found in lakes in shallow waters up to 10 m deep among dense vegetation. Feeds mainly on Spirogyra, Microcystis and Bacillariophyta (Ref. 26748).

Life cycle and mating behavior Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा

Female has an ovipositor which is used to deposit eggs inside bivalves. Young remain in the bivalve until they can swim (Ref. 43281).

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

Kottelat, M., 1998. Fishes of the Nam Theun and Xe Bangfai basins, Laos, with diagnoses of twenty-two new species (Teleostei: Cyprinidae, Balitoridae, Cobitidae, Coiidae and Odontobutidae). Ichthyol. Explor. Freshwat. 9(1):1-128. (Ref. 27732)

IUCN Red List Status (Ref. 130435)

Endangered (EN) (B1ab(v)+2ab(v)); Date assessed: 02 November 2022

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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इंटरनेट स्रोत

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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 2.3 ±0.1 se; based on size and trophs of closest relatives

लौटाव (Ref. 120179): माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (Assuming Fec < 10,000).

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

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Acheilognathus microphysa Yang, Chu & Chen, 1990