térraba toothcarp
Brachyrhaphis terrabensis
A small freshwater fish from the Pacific slope of Costa Rica and Panama, reaching 6 cm. It is listed as a sport fish, but it is too small to matter in practice.
Also called: barrigudinho-do-Térraba, olomina, Térraba toothcarp
- maximum
- 6 cm
who is the térraba toothcarp
Fish of the family Poeciliidae, freshwater and midwater, reaching 6 cm. It occurs on the Pacific slope, from the Térraba River to the Chiriquí River, in western Panama. It lives in still water or current of any speed, between 40 and 1,250 m above sea level, mainly in streams of moderate current, at 20 to 23 °C. It eats terrestrial insects that fall into the water. Gestation lasts about 28 days, and females give birth to 10 to 30 young. It is listed as a sport fish but, at 6 cm, it hardly ever turns up on the line.
Essential profile. Identification, where it occurs and rules, with data from FishBase and the cited regulations. Season, time of day, technique and bait are added once we have a good source for the térraba toothcarp.
fun facts
- It reaches sexual maturity between four and five months of age.
identification
Small fish with a straight-cut snout and an anal fin much shorter than the head. The base of the dorsal fin is long. The body has vertical bars, more marked in adults, and in some populations there is a dark band along the body. The rear half of the dorsal fin is yellow or orange, and the margin of the first anal fin rays is orange or red. It lives only on the Pacific slope of Costa Rica and Panama.
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Each card shows the day's index (0 to 100) and, below it, a strip with the index for each hour, from 0h to 23h. from poor to excellent.
Essential profile: the index uses a general fish model (weather, sun, moon and tide), without a season or time of day specific to this species.
where found
Native to the Pacific slope of Costa Rica and western Panama, from the Térraba River to the Chiriquí River. It is not recorded in Brazil.
Habitat: Freshwater, in streams and pools with moderate current, from 40 to 1,250 m above sea level.
rules for the térraba toothcarp
Summary of the regulations we found, with the source for each. Rules change; before keeping or transporting fish, check with the state environmental agency.
We found no species-specific rule beyond the region's general rules.
catch and release
catch and release Releasing the fish alive, quickly and with a wet hand. During a closed season it isn't always allowed: what the regulation says applies.
A small, harmless fish. Handle it with a wet hand and release it promptly into the water.
how much it weighs without taking it out of the water
Length-weight relationship W = a·Lb (a = 0.00851, b = 3.15; FishBase (relação peso-comprimento bayesiana, estimativa)). It's an average: a fat or lean fish can vary by 10% to 20%.
estimated weight
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sources and references
Essential profile: size, length-weight, depth, countries and conservation come from FishBase and the cited regulations, and the texts were written from those sources. Season, time of day, sensitivities, technique and baits and lures are not included yet, because we did not find a good source for this species.
- scientific FishBase: Brachyrhaphis terrabensis (ficha da espécie)Size, length-weight, depth, habitat, distribution, biology, and IUCN status. Page checked on Oct 13, 2026.
- scientific FishBase: nomes populares de Brachyrhaphis terrabensisNames by country and language.