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> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines) > Rivulinae
Etymology: crixas: Named for its type locality, the Crixas River basin, which is an allusion to the indigenous tribe of people Crixas, formerly inhabiting this region..
More on author: Costa.

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

; स्वच्छ जल, अलवण जल बेनथोपिलाजिक; गहराई सीमा 0 - 1 m (Ref. 59346). Tropical

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South America: Crixás Açu River drainage of the Araguaia River basin in Brazil.

आकार / वज़न / Age

Maturity: L_m ? range ? - ? cm
Max length : 2.7 cm SL पुल्लिंग / अलिंग; (Ref. 59346); 2.6 cm SL (female)

Collected from the shallowest parts of a small stream, about 10-20 cm deep, where the larger specimens are found in places with more dense aquatic vegetation and juveniles in places more exposed to sunlight. It is a typical stream of central Brazil, locally known as Vereda or Buritizal (i.e. streams dominated by the buriti-palm Mauritia flexuosa L.), with orange clay bottom, in open vegetation of the Brazilian Cerrado and water was clear, with pH 5.3 (Ref. 59346).

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

Main reference Upload your references | संदर्भ | संयोजक : Costa, Wilson J.E.M. | सहयोगीयो

Allen, G. and S. Bailey, 2011. Phoenix Islands: Reef fishes of the Phoenix Islands, Central Pacific Ocean. Atoll Res. Bull (589):83-118. (Ref. 59346)

IUCN Red List Status (Ref. 130435)

वेदनीय, आई यु सी ऐन लाल सूची देखें। (VU) (D2); Date assessed: 07 November 2018

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=0.00977 (0.00315 - 0.03034), 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): 3.1 ±0.4 se; based on size and trophs of closest relatives

लौटाव (Ref. 120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).

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

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