The eggs become small fishes that feed on live prey. The larvae of the African lungfish have exterior gills to supplement oxygen consumption.
On an individual stage, what would you assume if someone caught a land animal with a baited hook, then reeled them in and drowned them? This is exactly what occurs to fish.Anyone who has ever had a fish hook caught in their flesh is aware of simply how painful it is, and this is no completely different for fish. Pain and tissue harm are intensified when double or treble hooks are used, and when the hooks are pulled out, typically roughly, while fish are still alive.
The residing agnaths are predatory, the lampreys being well-known for attacking salmonoid fishes. The lamprey attaches to its prey using its round, suctorial mouth, and it rasps a gap via the outer tissues using a tongue armed with keratinized tooth. The … Read MoreRead More »