WebJan 1, 2011 · We studied the responses of wild-caught poeciliid fish Brachyrhaphis episcopi to a novel object and to their mirror image. This allowed us to quantify levels of aggression, boldness and activity in individuals from populations experiencing different levels of predation pressure. WebALA Brood Records. Since the early days of the American Livebearer Association, there has been an attempt at keeping records of brood sizes for livebearing fish bred by ALA members. Understandably, this is known as the ‘Brood Record’. The Brood Record is now part of the ALA website and future updates will occur quarterly if Brood Records ...
Life-history phenotypes in populations of Brachyrhaphis …
WebBrachyrhaphis episcopi (Steindachner, 1878) Fr endemic : 3.50 cm TL male/unsexed ;5.00 cm female : Found in the Rio Capira. Poeciliidae: Brachyrhaphis hessfeldi: Meyer & Etzel, 2001: Fr native : 5.50 cm TL male/unsexed : Found in waters west of Canal Zone, Coclé (Ref. 50894). Poeciliidae: Brachyrhaphis punctifer (Hubbs, 1926) Fr endemic WebDec 12, 2024 · Scientific name: Brachyrhaphis episcopi Common name: Biskop-tandkarpe Family: Poeciliidae Usual size in fish tanks: 4 - 5 cm (1.57 - 1.97 inch) 0 14 Recommended pH range for the species: 6 - 8 Recommended water hardness (dGH): 4 - 12°N (71.43 - 214.29ppm) 0°C 32°F 30°C 86°F Recommended temperature: 24 - 28 °C (75.2 - 82.4°F) orange and black fish
Effects of predation pressure on the cognitive ability of the …
WebMay 10, 2024 · I studied populations of three species of poeciliid fishes of the genus Brachyrhaphis (episcopi, roswithae, terrabensis)found from low to high elevation in western and central Panamá for reproductive life history phenotypes. WebJun 1, 2002 · We compared life-history phenotypes among 12 populations of the live-bearing fish Brachyrhaphis episcopi. Five populations co-occurred with predatory fish … Webfor male B. episcopi originating from high-predation sites because a shorter structure may be more manoeu-vrable and/or more efficient at transferring sperm. Methods Brachyrhaphis episcopi is endemic to central Panama (Turner 1938, Loften 1965). At some sites the only predatory fish species is the small killifish Ri ulus brun- ip waterproof rating system