PlanetCatfish.com - Kryptopterus geminus (Siluridae) Cat-eLog

Cat-eLog Data Sheet
Scientific Name	**Kryptopterus geminus** Ng, 2003
Common Name
Type Locality	Stung Treng, Mekong River 2 kilometers downstream from mouth of Tonle San on sandbars, Mekong River drainage, Cambodia, 13°31'N, 105°56'E.
Pronunciation	Cry top ter russ. - gem - ee - nus
Etymology	Kryptopterus: From the Greek kryptos, meaning hidden and pteryx, meaning fin; in reference to the reduced or absent dorsal fin of this group of fishes. From the Latin geminus, meaning twin-born; in allusion to the close morphological similarity of this species to K. cryptopterus. Used as a noun.
Species Information
Size	171mm or 6.7" SL. Find near, nearer or same sized spp.
Identification	Kryptopterus geminus,together with K. cryptopterus, can be distinguished from congeners by the dorsal profile lacking anuchal 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).
Habitat Information
Distribution	Asia: Mekong, Mae Khlong, Bang Pakong and Chao Phraya River drainages in mainland Southeast Asia. Mekong (click on these areas to find other species found there) Thailand Waters, Meklong (click on these areas to find other species found there) Thailand Waters, Bang Pakong (click on these areas to find other species found there) Thailand Waters, Chao Praya (click on these areas to find other species found there) Login to view the map.
IUCN Red List Category	Least Concern , range map and more is available on the IUCN species page. Last assessed 2011.
Husbandry Information
Breeding Reports	There is no breeding report.
Further Information
Reference	Zootaxa No. 305, pp 2, Figs. 1, 2a.
Registered Keepers	There is no registered keeper.
Wishlists	Love this species? Click the heart to add it to your wish list. There is no wish to keep this species.
Spotters	Spotted this species somewhere? Click the binoculars! There is no record of this fish being seen.
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	LFS label creator ARN ref:1.7.11.4205
Last Update	2025 Jan 02 00:43 (species record created: 2012 Feb 01 00:51)