Classification / Names
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Characiformes (Characins) >
Erythrinidae (Trahiras)
Etymology: Hoplias: Greek, hoplon = weapon (Ref. 45335).
Eponymy: Dr João Batista de Lacerda (1845–1915) was a physician, biomedical scientist and anthropologist. [...] (Ref. 128868), visit book page.
Issue
See Britski, 1970(81-82) for diganose and differentiation of Hoplias malabaricus.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल बेनथोपिलाजिक. Tropical
South America: Ribeira de Iguape River basin in São Paulo and Paraná, Brazil.
आकार / वज़न / Age
Maturity: Lm ?  range ? - ? cm
Max length : 75.0 cm SL पुल्लिंग / अलिंग; (Ref. 37025); अधिकतम प्रकाशित वज़न: 4.3 kg (Ref. 79585)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
This species is distinguished from the other species of H. lacerdae group in having 6-8 pores of the laterosensory system along the ventral surface of dentary (vs. 4-6 in H. brasiliensis and H. intermedius, always 5 in H. australis and 4 in H. curupira); 43-48 scales along lateral line (vs. 38-43 H. brasiliensis and 34-39 in H. curupira) (Ref. 81195).
Piscivorous (Ref. 79585).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Oyakawa, O.T. and G.M.T. Mattox, 2009. Revision of the Neotropical trahiras of the Hoplias lacerdae species-group (Ostariophysi: Characiformes: Erythrinidae) with descriptions of two new species. Neotrop. Ichthyol. 7(2):117-140. (Ref. 81195)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
मात्स्यिकी: व्यापारिक; जलीयकृषि: व्यापारिक
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00410 - 0.01339), b=3.10 (2.94 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 4.3 ±0.7 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (57 of 100).