Classification / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Cheirodontinae
Etymology: Serrapinnus: Latin, serran, serranus, saw and a fish of genus Serranus + Latin, pinna = spiny, thorn (Ref. 45335); malabarbai: Named after Luiz Roberto Malabarba (UFRGS); genitive noun.
Eponymy: Dr Luiz Roberto Malabarba is a Brazilian ichthyologist and biologist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल पिलाजिक; गहराई सीमा 0 - 1 m (Ref. 119420). Tropical
South America: Brazil.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 2.5 cm SL पुल्लिंग / अलिंग; (Ref. 119420)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 8; ऐनल सौफट रेज़: 13 - 16. This species is distinguished by the following characters: with a well-defined dark midlateral stripe on body starting over the eye; D 8 branched rays; 3 premaxillary teeth; an inconspicuous caudal-peduncle spot (Ref. 119420).
Inhabits a small, clear water stream 1.5-4 m wide and 0.3-1.5 m deep, with swift water current, and sandy bottom. It was captured in a shallow (0.2-0.6 m), and narrow (0.5-1.5 m) temporary channel and syntopically with Hyphessobrycon cf. vilmae, Hyphessobrycon loweae, Characidium mirim and unidentified species of Characidium sp., and Hemigrammus sp. (Ref. 119420).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Jerep, F.C., F.C.P. Dagosta and W.M. Ohara, 2018. A new miniature species of Serrapinnus (Characiformes: Characidae) from the upper Rio Araguaia, Brazil. Copeia 106(1):180-187. (Ref. 119420)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
मात्स्यिकी: कोई रुचि बग़ैर
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00461 - 0.02730), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.8 ±0.5 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).
