2006-06-13 19:38:11 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Zoology
All insects have 5 eyes.
Many arachnids have 5 or more eyes including spiders and scorpions.
Many mussels such as clams have numerous eyes, often 20 or more.
Box jellyfish have 5-15 eyes.
The only chordates to have more than two eyes are the jawless fish: lampreys and hagfish. These fish have a third eye located in the middle of the head.
The tuatara, a reptile from New Zealand has a partially developed third eye in the middle of its head but it can't actually see with it.
2006-06-13 19:45:36 · answer #1 · answered by Anonymous · 0⤊ 0⤋
spiders: 8
all insects have compound eyes each lens is individual and gives a tiny image and insect brain reads a mosaic, due to the lenses called omatidias.
2006-06-14 02:44:58 · answer #2 · answered by pogonoforo 6 · 0⤊ 0⤋