Family: |
Poeciliidae (Poeciliids), subfamily: Poeciliinae |
Max. size: |
2.5 cm SL (male/unsexed); 3.5 cm SL (female) |
Environment: |
pelagic; freshwater; pH range: 7 - 7.5; dH range: 3 - 10 |
Distribution: |
Central America: Upper San Juan River in Costa Rica. |
Diagnosis: |
Robust body, with moderate depth; slightly oval. Gonopodium long with apex not reaching the base of the tail. Sides with 8 - 10 dark bars, especially evident in males and young. Ground color is brown, dorsal fin has a black blotch posteriorly (Ref. 36880). |
Biology: |
Inhabits slow flowing waters that are only rarely deeper than 30 cm and connected to standing marshy area; over muddy bottoms (Ref. 26130, 36880). Lives between 35 and 600 m elevation at temperatures of 23-30°C. Swims in small groups near the surface of turbid waters, on the shoreline or among the undergrowth. Feeds on unicellular algae, diatoms, ooze and sometimes insect larvae (Ref. 36880). |
IUCN Red List Status: |
Vulnerable (VU); Date assessed: 04 February 2019 (B1ab(iii)) Ref. (130435)
|
Threat to humans: |
harmless |
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