Sökning: "cichlid"
Visar resultat 1 - 5 av 9 avhandlingar innehållade ordet cichlid.
1. Thinking in water : Brain size evolution in Cichlidae and Syngnathidae
Sammanfattning : Brain size varies greatly among vertebrates. It has been proposed that the diversity of brain size is produced and maintained through a balance of adaptations to different types and levels of cognitive ability and constraints for adaptive evolution. LÄS MER
2. Morphological and Physiological Adaptations in Cichlid Crystalline Lenses
Sammanfattning : Vertebrate eyes share a common ancestry as well as the basic design with a pupil, a retina and a lens. The lens is essential for perceiving the details in the world around us and ensures that a sharp image of the surroundings is focused onto the photoreceptors in the retina. LÄS MER
3. Aggressive behaviour between territorial cichlid fish and its regulation
Sammanfattning : .... LÄS MER
4. Reproductive behaviour of a monogamous cichlid fish Tilapia mariae
Sammanfattning : .... LÄS MER
5. Risk assessment and contest behaviour in the Cichlid fish Nannacara anomala
Sammanfattning : The risk of predation is an important factor for our understanding of animal behaviour in general. This thesis investigates the influence of predation risk on fighting behaviour in the cichlid fish Nannacara anomala. LÄS MER