What is Homocercal?
What is Homocercal? Homocercal describes a caudal (tail) fin with lobes of the same size. It […]
What is Homocercal? Homocercal describes a caudal (tail) fin with lobes of the same size. It […]
What is Heterocercal? Heterocercal describes a caudal (tail) fin with different-sized lobes. ###
What are gill rakers? Gill rakers are one or a series of projections that extend […]
What are gill slits? Gill slits are the vertical openings on either side of the […]
What are gills? Gills are a paired set of respiratory organs that allows fish and some amphibians […]
What does Ectotherm mean? Also known as cold-blooded, these animals need an external heat source […]
What is Sexual Dimorphism? Sexual Dimorphism is the physical difference between male and female individuals […]
What is Dimorphism? Dimorphism is a characteristic in species that differentiates the males from the females. It […]
What is a Dorsal Fin? The dorsal fin(s) are on the back (top) side of […]
What are DERMAL DENTICLES? Dermal Denticles are scales covering the skin of sharks that more […]
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