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> Siluriformes (Catfishes) > Akysidae (Stream catfishes) > Akysinae
Etymology: Akysis: Derived from Greek, a = without + Greek, kysthos = bladder (Ref. 45335); clavulus: The specific name is derived from the Latin clavus (nail), referring to the conical tubercles on the head and body of this species..
More on authors: Ng & Freyhof.

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

; ນ້ຳຈືດ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ. Tropical

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

Asia: Cai and Duc My River drainages in central Viet Nam.

ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: L_m ? range ? - ? cm
Max length : 3.5 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 52824)

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

ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ) : 1; ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ) : 5; ສັດທີ່ມີກະດູກສັນຫຼັງ: 32 - 34. Mouth subterminal; anterior and posterior nostrils separated by distance greater than length of nasal-barbel base; emarginate caudal fin; 3-5 serrae on posterior edge of pectoral spine; evenly-sloping ethmoidal region, sides of head gently curving; 1+ 5-6 gill rakers on first branchial arch; conical-shaped tubercles on head and body; lightly contrasting color pattern, and tubercles arranged in prominent longitudinal rows on ventral third of body (Ref. 52824).

Found in hilly landscape streams and small rivers with a width of about 15-30 m (Ref. 52824). Occurs only in shallow riffles, hiding under coarse gravel and larger single stones (Ref. 52824).

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

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ | ຜູ້ຮ່ວມມື

Ng, H.H. and J. Freyhof, 2003. Akysis clavulus, a new species of catfish (Teleostei: Akysidae) from central Vietnam. Ichthyol. Explor. Freshwat. 14(4):311-316. (Ref. 52824)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 17 December 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Population dynamics
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Life cycle
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Summary page | ຈຸດໃດໜຶ່ງທີ່ສະແດງຂໍ້ມູນ | ຊື່ສາມັນ | Photos

ແຫຼ່ງອີນເຕີເນັດ

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=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

ຊັ້ນເຂດຮ້ອນ (Ref. 69278): 3.4 ±0.6 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Akysis clavulus Ng & Freyhof, 2003