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Kryptopterus geminus Ng, 2003

Image contributors to this species:

Fishes of Mainland Southeast Asia (2)

ScotCat Sources:

Etymology = Genus Etymology = Species

Other Sources:

Fishbase  Search Google   All Catfish Species Inventory  
 

Relevant Information:

Kryptopterus geminus is described from the Bang Pakong, Mekong, Mae Khlong and Chao Phraya River drainages in mainland Southeast Asia. K. geminus, together with K. cryptopterus, can be distinguished from congeners by the dorsal profile lacking a nuchal concavity and short maxillary barbels extending to the base of the pectoral fin. Kryptopterus geminus can be further distinguished from K. cryptopterus in having a narrower head (9.5– 12.0% SL vs. 12.2–14.2), longer anal fin (62.2–72.7% SL vs. 57.2–62.9) and snout (39.5–45.3% HL vs. 35.1–39.8), and more laterally-placed eyes (only ventral half, vs. ventral two-thirds, of the orbital margin visible when the head is viewed ventrally). Occurs in large rivers with turbid waters and in streams and canals. Diet: Feeds on fish, prawns, insects and their larvae. Breeding: Spawns during the early part of the rainy season. The young move toward the seasonally flooded habitats and are first seen in August. Remarks: Often misidentified as K. cryptopterus.

Common Name:

None

Synonyms:

None 

Family:

Siluridaeycipitidae

Distribution:

Asia: Mekong, Mae Khlong, Bang Pakong and Chao Phraya River drainages in mainland Southeast Asia. Type locality: Cambodia: Stung Treng,Mekong River 2 km downstream from mouth of Tonle San on sandbars, Mekong Riverdrainage.

Size:

17cm. (6¾ins)

Temp:

24-28°C (75-83°F)

p.H.

6.0-8.0.

Reference:

Ng, H.H., 2003. Kryptopterus geminus, a new silurid catfish (Teleostei: Siluridae) from mainland Southeast Asia. Zootaxa 305:1-11.
Kottelat, M., 1998. Fishes of the Nam Theun and Xe Bangfai basins, Laos, with diagnoses of twenty-two new species (Teleostei: Cyprinidae, Balitoridae, Cobitidae, Coiidae and Odontobutidae). Ichthyol. Explor. Freshwat. 9(1):1-128.
Froese, R. and D. Pauly. Editors. 2016.FishBase. World Wide Web electronic publication. www.fishbase.org, ( 01/2016 )

 

 

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                                                                                                                                                                updated = August 21, 2017 © ScotCat 1997-2017