| Akysidae (Stream catfishes), subfamily: Akysinae |
| 4.23 cm SL (male/unsexed) |
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demersal; freshwater |
| Asia: Chao Phraya River in Thailand. |
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Dorsal spines (total): 1-1; Vertebrae: 34-35. Distinguished from all congeners in having highly elevated supraoccipital spine and nuchal plate. Differs further from congeners in having a unique combination of the following characters: highly contrasting light brown patches on a chocolate brown body; lack of filamentous extensions to the first pectoral-fin element; presence of 5-6 serrations on the posterior edge of pectoral spine; eye diameter 6-9% of head length; branchiostegal membranes meeting at isthmus ventrally; outer mandibular barbels reaching middle of pectoral-fin base; and rounded tubercles on the tip of the snout and dorsal surface of neurocranium (Ref. 55975).
Description: Dorsal-fin rays I,4,i or I,5; Anal-fin rays iii,5,i, iv,5,i, or iv,6 ; Pectoral fin rays I,7 or I,6,i; Pelvic fin rays i,5. |
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Data deficient (DD); Date assessed: 10 February 2011 Ref. (130435)
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| harmless |
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