Category: Animal Behaviour
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Migration of Fishes
Introduction In life history of some fishes, population needs, like foraging & reproduction, can’t be met in single habitat. So, they travel periodically from one habitat to another & back after meeting the requirement, termed as fish migration. Causes: Sexual maturity, hormonal changes, instinct, predators, competition, food, light, temperature, pH, water currents, turbidity etc. The…
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Intra- & Inter- Specific Relationship (Species Interactions)
Interactions among species is divided into two categories: Intraspecific: It is type of interaction that occurs between populations of same species. Example: Social, family, cannibalism etc. Interspecific: It is type of interaction that occurs between population of different species. Example: Parasitism, Predation, Mutualism etc. SCROLL DOWN FOR LECTURE VIDEO Interspecific Interactions The interactions are usually…