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(Redirected from Carinotetraodon travancorius)
The 'dwarf pufferfish', also known as the 'Malabar pufferfish', 'pea pufferfish' or 'pygmy pufferfish', ''Carinotetraodon travancoricus'' is a small, freshwater pufferfish endemic to the River Pamba in Kerala, Southwest India. Maximum size is 22 mm (less than one inch), making it one of the smallest pufferfish in the world.[1] Although closely related to marine pufferfish, they are not found in brackish or salt water, and reports to the contrary are based on misidentification.[2]
Both sexes are essentially yellow with dark green to black, iridescent patches on the flanks and dorsal surface, but as with other members of the genus sexual dimorphism is apparent, with males being more brightly coloured than females.[3]
Dwarf pufferfish scatter their eggs on the substrate hidden within vegetation. The eggs are fertilised externally. They do not guard their eggs or fry.[4][5]
Dwarf pufferfish are not used as food but are traded as aquarium fish.[1] Although not currently on the IUCN Red List some authorities believe this species may be endangered.[7]
The diet of dwarf pufferfish in the wild has not been reported, but other members of the genus feed on zooplankton and various benthic crustaceans and molluscs.[8] Food items of specimens maintained in aquaria appears to be similar.[1]
Dwarf pufferfish have become quite popular aquarium fish thanks to their attractive colours, small size, and relative ease of maintenance.[1]
1. Ebert, Klaus (2001). The Puffers of Fresh and Brackish Water, p 19. Aqualog, ISBN 393170260X.
2. Schäfer F. Brackish Water Fishes, p 34. Aqualog 2005, ISBN 3-936027-82-X
3. Ebert, Klaus (2001). The Puffers of Fresh and Brackish Water, pp 46-49. Aqualog, ISBN 393170260X.
4. Reproduction Summary: Carinotetraodon travancoricus Froese, R. and D. Pauly. Editors.
5. Wenzel, R. (2004). Carinotetraodon travancoricus. Die Aquarien- und Terrarienzeitschrift 1/2004:36-37
6. Ebert, Klaus (2001). The Puffers of Fresh and Brackish Water, p 19. Aqualog, ISBN 393170260X.
7.
8. Food Items Reported for Carinotetraodon lorteti Froese, R. and D. Pauly. Editors.
9. Ebert, Klaus (2001). The Puffers of Fresh and Brackish Water, p 19. Aqualog, ISBN 393170260X.
10. Ebert, Klaus (2001). The Puffers of Fresh and Brackish Water, p 19. Aqualog, ISBN 393170260X.
★
★ Dwarf Puffers A forum for aquarists
The 'dwarf pufferfish', also known as the 'Malabar pufferfish', 'pea pufferfish' or 'pygmy pufferfish', ''Carinotetraodon travancoricus'' is a small, freshwater pufferfish endemic to the River Pamba in Kerala, Southwest India. Maximum size is 22 mm (less than one inch), making it one of the smallest pufferfish in the world.[1] Although closely related to marine pufferfish, they are not found in brackish or salt water, and reports to the contrary are based on misidentification.[2]
| Contents |
| Appearance |
| Reproduction |
| Conservation |
| Diet |
| Dwarf pufferfish in aquaria |
| References |
| External links |
Appearance
Both sexes are essentially yellow with dark green to black, iridescent patches on the flanks and dorsal surface, but as with other members of the genus sexual dimorphism is apparent, with males being more brightly coloured than females.[3]
Reproduction
Dwarf pufferfish scatter their eggs on the substrate hidden within vegetation. The eggs are fertilised externally. They do not guard their eggs or fry.[4][5]
Conservation
Dwarf pufferfish are not used as food but are traded as aquarium fish.[1] Although not currently on the IUCN Red List some authorities believe this species may be endangered.[7]
Diet
The diet of dwarf pufferfish in the wild has not been reported, but other members of the genus feed on zooplankton and various benthic crustaceans and molluscs.[8] Food items of specimens maintained in aquaria appears to be similar.[1]
Dwarf pufferfish in aquaria
Dwarf pufferfish have become quite popular aquarium fish thanks to their attractive colours, small size, and relative ease of maintenance.[1]
References
1. Ebert, Klaus (2001). The Puffers of Fresh and Brackish Water, p 19. Aqualog, ISBN 393170260X.
2. Schäfer F. Brackish Water Fishes, p 34. Aqualog 2005, ISBN 3-936027-82-X
3. Ebert, Klaus (2001). The Puffers of Fresh and Brackish Water, pp 46-49. Aqualog, ISBN 393170260X.
4. Reproduction Summary: Carinotetraodon travancoricus Froese, R. and D. Pauly. Editors.
5. Wenzel, R. (2004). Carinotetraodon travancoricus. Die Aquarien- und Terrarienzeitschrift 1/2004:36-37
6. Ebert, Klaus (2001). The Puffers of Fresh and Brackish Water, p 19. Aqualog, ISBN 393170260X.
7.
8. Food Items Reported for Carinotetraodon lorteti Froese, R. and D. Pauly. Editors.
9. Ebert, Klaus (2001). The Puffers of Fresh and Brackish Water, p 19. Aqualog, ISBN 393170260X.
10. Ebert, Klaus (2001). The Puffers of Fresh and Brackish Water, p 19. Aqualog, ISBN 393170260X.
External links
★
★ Dwarf Puffers A forum for aquarists
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