Typical in highland brooks and in rivers or creeks of moderate to high current velocity, found between 35 and 1350 m elevation. Lives on sand and stone bottoms where it feeds on aquatic insects and in caves .
This species has the following characters: pigmented body; functional eyes; dorsal fin base 10.2-13.4% of SL; origin of adipose fin posterior to the anus; maxillary barbels extend to a point between the pectoral-fin origin and that of the pelvic fin .: elongated; Cross section: oval.
Behavioural data for Filespine chulín is currently being reviewed.
Freshwater; benthopelagic; pH range: 7.5 - ? ; dH range: 14 - ?. Tropical; 24°C - 28°C North and Central America: Central Mexico to northern Panama, in both Pacific and Caribbean slopes.
aquatic insects (Ref
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Pimelodus brachycephalus | Regan | 1907 | Synonym |
| Pimelodus brachypterus | Cope | 1867 | Synonym |
| Pimelodus hypselurus | Günther | 1864 | Synonym |
| Pimelodus laticaudatus | Kner | 1858 | Synonym |
| Pimelodus laticaudus | Kner | 1858 | Synonym |
| Pimelodus motaguensis | Günther | 1864 | Synonym |
| Pimelodus petenensis | Günther | 1864 | Synonym |
| Pimelodus polycaulus | Günther | 1864 | Synonym |
| Pimelodus rogersi | Regan | 1907 | Synonym |
| Pimelodus salvini | Günther | 1864 | Synonym |
| Rhamdia amatitlanensis | Fowler | 1936 | Synonym |
| Rhamdia amatitlensis | Fowler | 1936 | Synonym |
| Rhamdia brachycephalus | Regan | 1907 | Synonym |
| Rhamdia brachypterus | Cope | 1867 | Synonym |
| Rhamdia cabrerae | Meek | 1906 | Synonym |
| Rhamdia guatemalensis sacrifici | Barbour & Cole | 1906 | Synonym |
| Rhamdia hypselurus | Günther | 1864 | Synonym |
| Rhamdia laticauda laticauda | Kner | 1858 | Synonym |
| Rhamdia laticauda typhla | Greenfield, Greenfield & Woods | 1982 | Synonym |
| Rhamdia motageunsis | Günther | 1864 | Synonym |
| Rhamdia motaguensis | Günther | 1864 | Synonym |
| Rhamdia petenensis | Günther | 1864 | Synonym |
| Rhamdia policaulis | Günther | 1864 | Synonym |
| Rhamdia regani | Meek | 1907 | Synonym |
| Rhamdia rogersi | Regan | 1907 | Synonym |
| Rhamdia sacrificii | Barbour & Cole | 1906 | Synonym |
| Rhamdia salvini | Günther | 1864 | Synonym |
| Rhamdia typhla | Greenfield, Greenfield & Woods | 1982 | Synonym |
| Rhamdia underwoodi | Regan | 1907 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 67 records indexed .
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