Phallostethus Dunckeri (Phallostethus dunckeri) is a ray-finned fish of the family Phallostethidae. It inhabits freshwater waters in pelagic environments. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Vulnerable on the IUCN Red List.
Differs from all congeners by having the following characters: second ctenactinium with five serrae in adult males; 27 caudal vertebrae with no sexual dimorphism in the number of precaudal vertebrae; 15-20 teeth on paradentary; one and two known males are sinistral and dextral respectively .: elongated.
Behavioural data for Phallostethus Dunckeri is currently being reviewed.
Pelvic fins in males are modified to form part of a complex thoracic clasping organ .
Freshwater; pelagic. Tropical
| Language | Common Names |
|---|---|
| 🌍CES | hrdlovka Dunckerova |
| 🇷🇺Russian | Фаллостета Дункера |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .
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