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> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines) > Rivulinae
Etymology: gaucheri: Named for Philippe Gaucher, who found the first specimens, for its fascinating work on Amazonian fauna..

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

; स्वच्छ जल, अलवण जल बेनथोपिलाजिक; गहराई सीमा 0 - ? m (Ref. 78216). Tropical

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South America: Maroni basin in French Guiana.

आकार / वज़न / Age

Maturity: L_m ? range ? - ? cm
Max length : 5.7 cm SL पुल्लिंग / अलिंग; (Ref. 78216)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 8 - 9; ऐनल सौफट रेज़: 13 - 15; जानवरों की रीड़ का जोड़: 31 - 35. Differs from other species of the genus by a combination of characters including dorsal and anal fin ray counts, number of scales in lateral and transverse series, by the lack of the supracaudal spot at all ages in both sexes, a short base dorsal fin, a yellow color background on body, a red colored sub-distal area on anal fin in male, with a yellow one in female, and a dark margin on caudal fin (Ref. 78216).

Occurs in small groups in small mountainous rivers and marshes (Ref. 78216).

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

Keith, P., L. Nandrin and P.-Y. Le Bail, 2006. Rivulus gaucheri, a new species of rivuline (Cyprinodontiformes: Rivulidae) from French Guiana. Cybium 30(2):133-137. (Ref. 78216)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 01 January 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses

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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=0.00661 (0.00311 - 0.01404), b=3.09 (2.91 - 3.27), 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

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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