How many teeth do Plecostomus have?

What is a zander? Is it correct to say half kilograms fish? Is a seahorse a boney fish? Angelfish travel in a school of fish? What are the advantages and the disadvantages of ponds? How do you pronounce fish in Welsh? Why does a pond water seem warmer at night? Should pregnant female red wag platy be kept away from the male? Do apple snails eat baby fish? Are salmon invertabrae? Spiny finned tropical marine fish of the family polynemidae? What happens when you leave a dead fish in its tank with other living fish? Who pulled the first 2 first in the fish pot in cloud with a silver linning? What consumers ocean and what is their adaptation for survival? Why are whale sharks hunted? How many calories in 3 pieces of fried fish? What is the gestation period of cod? Can a comet goldfish fit in a 1.5 gallon tank? Is Fish fingers acid an acid or a base? How do jellyfish feed and digest?