Tetragonopterus Denticulatus
📖 Overview
Tetragonopterus Denticulatus (Tetragonopterus denticulatus), first described by Silva, Melo, Oliveira & Benine, 2013 is a small fish in the family Characidae (order Characiformes). Adults typically reach 6.80 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Characidae kept in the hobby.
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 9; Anal soft rays: 32 - 35. This species is distinguished from all its congeners, except T. anostomus, T. juruena, T. kuluene, by the principal teeth on dentary 5-6 (vs. 4) and by having thinner and sharper teeth (vs. larger and more robust); differs from T. anostomus by the terminal mouth (vs. subsuperior mouth); differs from T. anostomus, T. kuluene by the conspicuous humeral marks 2 (vs. 1); differs from T. anostomus, T. araguaiensis by the number of rakers on the lower limb and upper limb of the first gill arch 13-14 and 8-9. respectively (vs. 17-20 and 10-12); differs from T. juruena, T. kuluene by the scale rows between lateral line and dorsal-fin origin 7 (vs. 6); differs from T. argenteus by the predorsal scales 8 (vs. 11-17); differs from T. carvalhoi by the presence of a rounded dark mark on caudal peduncle (vs. a lozenge-shaped mark); differs from T. rarus, T. georgiae by the scale rows between lateral line and pelvic-fin origin 3.5 (vs. 4.5-5.5); differs from T. rarus by the absence of dark longitudinal stripes on the trunk (vs. presence); differs from T. ommatus by the maxillary teeth 3-4 (vs. 7-8) and by having a mark centered on caudal peduncle (vs. mark limited to the posterior portion of caudal peduncle) .: short and / or deep; Cross section: compressed.
🌀 Behaviour
Behavioural data for Tetragonopterus Denticulatus is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic. Tropical South America: middle Rio Araguaia in Brazil.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🦠 Common Diseases
The following diseases are known to affect Tetragonopterus Denticulatus.
🔍 Similar Species
👥 Community & Contribute
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