Ichthyology is the branch of zoology studies fishes. This includes the bony fishes (Osteichthyes), the cartilaginous fishes (Chondrichthyes) such as sharks and rays, and the jawless fishes (Agnatha).
... For every 100 females there are 91.9 males. For every 100 females age 18 and over, there are 87.2 males.
The median income for a household in the city is $35,491, and ...