Clarias laeviceps, Catfish

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Clarias laeviceps Gill, 1862

Catfish
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Clarias laeviceps
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Classification / Names ຊື່ສາມັນ | ຄຳສັບຄ້າຍຄືກັນ | Catalog of Fishes(ຕະກຸນ, ຊະນິດ) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Clariidae (Airbreathing catfishes)
Etymology: Clarias: Greek, chlaros = lively, in reference to the ability of the fish to live for a long time out of water.
More on author: Gill.

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

; ນ້ຳຈືດ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ. Tropical; 8°N - 3°N

ການແຜ່ກະຈາຍ ປະເທດ | ເຂດ FAO | ລະບົບນິເວດ | ການປະກົດຕົວ | Point map | ການແນະນຳ | Faunafri

Africa: C. laeviceps laeviceps: river St. John in Liberia to the Volta in Ghana; also found in the upper Niger in Guinea (Ref. 57129). Possibly also in the St. Paul River (Ref. 248, 13331). C. laeviceps dialonensis: rivers coming out of the Fouta Djalon (Konkouré, Kolenté), the upper Senegal River in Guinea and coastal basins in Sierra Leone; endemic to that region (Ref. 57129).

ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: Lm ?  range ? - ? cm
Max length : 31.7 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 57129)

Short description ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…

ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ): 0; ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ): 74-93; ຄີ(ໜາມ) ແຂງຢູ່ຄີກົ້ນປາ ກຸ່ມປາກະດູກແຂງ ຄວາມຖີ່ຂອງກຸ່ມຖ່າຍທອດພັນ ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລໄປຫານ້ຳຈືດ ແລະນ້ຳຈືດຫາທະເລ ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລແລະໄປໄຂ່ຢູ່ນ້ຳຈືດ ຄີກົ້ນຂອງປາ ສັດທີ່ມີກະດູກສັນຫັຼງ ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ 0; ຄີກົ້ນຂອງປາ: 60 - 75; ສັດທີ່ມີກະດູກສັນຫຼັງ: 65 - 69. Diagnosis: body very elongate, its depth 9.1-13.6% SL (m = 12.0)(Ref. 57129). Head short and broad (Ref. 248, 571429), oval-shaped dorsally (Ref. 248), its length 17.8-22.7% SL (m=21.1), its width 13.4-17.0% SL (m=16.0)(Ref. 57129). Snout broadly rounded; eyes more laterally placed (Ref. 248). Interorbital distance large, 44.7-54.8% HL (m = 49.5)(Ref. 57129). Tooth plates broad (Ref. 248, 57129), width of premaxillary plate 31.8-41.3% HL, width of vomerine plate 25.6-35.0% HL (Ref. 57129). Frontal fontanelle intermediate between "knife-shaped" and "sole-shaped"; occipital fontanelle rather long and oval shaped; supraorbital and "dermosphenotic" bones become joined in specimens between 80 and 100 mm TL (Ref. 248). Dorsal and anal fins very long (63.2-72.0% and 49.7-57.6% SL respectively) (Ref. 57129). Gill rakers small, slender and distantly set; suprabranchial organ partially fills chamber; pectoral spine rather thin and slightly curved (Ref. 248). Coloration: no information on colour in life (Ref. 57129). Preserved specimens: 2 types of colouration: one uniform, with back and sides blackish-brown and belly beige; and a marbled pattern with light spots against a dark background on back and sides, and pale brown on belly (Ref. 57129). Caudal fin with dark vertical bar occupying 2/3 of its base, dividing it in a dark anterior and a light posterior part (Ref. 57129).

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. epibenthic)

Facultative air-breathing (Ref. 126274); Nothing is known regarding the biology of this species (Ref. 78218). Max. reported size of C. laeviceps laeviceps and C. laeviceps dialonensis is 317mm TL and 257mm TL respectively (Ref. 57129)

Life cycle and mating behavior ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ | ຜູ້ຮ່ວມມື

Teugels, G.G., 1986. A systematic revision of the African species of the genus Clarias (Pisces; Clariidae). Ann. Mus. R. Afr. Centr., Sci. Zool., 247:199 p. (Ref. 248)

IUCN Red List Status (Ref. 130435)

  ອ່ອນແອ, ເບີ່ງບັນຊີແດງຂອງ IUC (VU) (B2ab(i,ii,iii)); Date assessed: 29 April 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

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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=0.00776 (0.00343 - 0.01757), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
ຊັ້ນເຂດຮ້ອນ (Ref. 69278):  3.4   ±0.5 se; based on size and trophs of closest relatives
ຄວາມຢືດຢຸ່ນ (Ref. 120179):  ສູງ, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງໜ້ອຍກວ່າ 15 ເດືອນ (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (22 of 100).