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> Characiformes (Characins) > Distichodontidae (Distichodus)
Etymology: Distichodus: Greek, di = two + Greek, stix, stichos = line, row (Ref. 45335).
More on author: Günther.

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

; ນ້ຳຈືດ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ; pH range: 6.5 - 7.5; dH range: ? - 15; ກຸ່ມຫຼືຊະນິດປາທີ່ມີການເຄື່ອນຍ້າຍພາຍໃນນ້ຳຈືດ (Ref. 51243). Tropical; 22°C - 28°C (Ref. 12468)

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Africa: from Senegal to the Chad basin (Ref. 2936, 86396), but absent in coastal basins between southern Gambia and Sassandra (Ref. 2936, 86396). Also in the Nile (Ref. 7094, 28714) and the Cross River (Ref. 81638, 86396).

Length at first maturity / ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: L_m ?, range 30 - ? cm
Max length : 76.0 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 7094); ນ້ຳໜັກສູງສຸດທີ່ເຄຍຈັດພີມມາ: 6.3 kg (Ref. 7094)

Short description ຕົວທີ່ໃຊ້ໃນການຈຳແນກຊະນິດ | ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…

ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ) : 0; ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ) : 21 - 27; ຄີ(ໜາມ) ແຂງຢູ່ຄີກົ້ນປາ ກຸ່ມປາກະດູກແຂງ ຄວາມຖີ່ຂອງກຸ່ມຖ່າຍທອດພັນ ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລໄປຫານ້ຳຈືດ ແລະນ້ຳຈືດຫາທະເລ ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລແລະໄປໄຂ່ຢູ່ນ້ຳຈືດ ຄີກົ້ນຂອງປາ ສັດທີ່ມີກະດູກສັນຫັຼງ ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ: 0; ຄີກົ້ນຂອງປາ: 13 - 17. Diagnosis: mouth subterminal; body depth 2.7-3.6x and head length 3.3-5.5x SL; caudal peduncle 0.7-1.1x longer than wide; 12-15 scales between lateral line and scaly process at bases of pelvic fins; eye diameter 3.3 (juveniles)-7x head length; juveniles with vertical bars on sides (Ref. 2936, 86396). Round humeral spot present (less obvious in larger individuals); body never with small, dark, eye-sized spots (Ref. 81638). 83-94 lateral line scales (Ref. 2936, 81638, 86396). 21-26 (Ref. 86396) or 21-27 (Ref. 81638) total dorsal fin rays. 13-16 (Ref. 86396) or 13-17 (Ref. 81638) total anal fin rays.

Marco-herbivores, feed on submerged plants, Eichornia roots and periphyton (Ref. 28714). Maximum length 62.5 cm SL (Ref. 2936, 81638, 86396).

Life cycle and mating behavior Maturities | ການສືບພັນ | Spawnings | Egg(s) | Fecundities | ຕົວອ່ອນ

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Vari, R.P., 2007. Distichodontidae. p. 412-465. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume I. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 800 pp. (Ref. 81638)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 11 May 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Summary page | ຈຸດໃດໜຶ່ງທີ່ສະແດງຂໍ້ມູນ | ຊື່ສາມັນ | Photos

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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=0.01288 (0.00906 - 0.01831), b=3.01 (2.93 - 3.09), in cm total length, based on LWR estimates for this species (Ref. 93245).

ຊັ້ນເຂດຮ້ອນ (Ref. 69278): 2.6 ±0.25 se; based on food items.

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (50 of 100).

Price category (Ref. 80766): Unknown.

Distichodus rostratus Günther, 1864