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Petitella bleheri (Géry & Mahnert, 1986) Firehead tetra |
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photo by
Muséum-Aquarium de Nancy/B. Alenda |
| Family: | Acestrorhamphidae (American tetras), subfamily: Megalamphodinae | |||
| Max. size: | 3.6 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater; pH range: 5 - 6; dH range: 5 - 12 | |||
| Distribution: | South America: Negro and Meta River basins. | |||
| Diagnosis: | This species is distinguished from its congeners by the following characters: head with a much more intense and widespread red color, extending up to the humeral region (vs. limited red coloration and not extending to humeral region in georgiae, rhodostoma); horizontal black bar on the end of the caudal peduncle is never prolonged forward (vs. prolonged up to the anal-fin in georgiae, rhodostoma); anal-fin hyaline (vs. a black bar present on the base of the anterior part of the anal-fin, continuing obliquely on the branched rays in georgiae, rhodostoma) (Ref. 127081). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 04 March 2021 Ref. (130435) | |||
| Threat to humans: | harmless | |||