| Heptapteridae (Three-barbeled catfishes) |
| 4 cm SL (male/unsexed) |
|
demersal; freshwater; pH range: 7.5 - 7.5 |
| South America: Napo River basin, Ecuador. |
|
Dorsal spines (total): 0-0; Dorsal soft rays (total): 11-11; Anal spines: 0-0; Anal soft rays: 9-11; Vertebrae: 37-37. Flexible, unbranched first ray and ten branched rays on its dorsal fin; dorsal fin situated relatively far posteriorly; pterygiophore of anterior dorsal fin ray articulating with neural spine of tenth vertebra; blade like neural spines of vertebrae five through nine extend dorsally, diverging at their dorsal ends to form a double row of ossifications just ventral to skin between supraoccipital and dorsal fin origin; a slender supraneural at posterior end of this v-shaped predorsal trough has attached muscles extending anteriorly between bifid neural spines to supraoccipital; maxillary barbel very long , reaching posteriorly beyond anal fin base. Distal portions of dorsal, adipose and anal fins, and most part of caudal fin almost unpigmented. |
|
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Data deficient (DD); Date assessed: 21 August 2020 Ref. (130435)
|
| harmless |
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