| A | B |
|---|
| Most fish have the same body temperature as their surroundings and are known as ..... | ectotherms |
| How many chambers are found in a fish's heart? | two |
| What covers a fish's scales to protect it from parasites? | mucus |
| Which fin(s) do fish use as antiroll stabilizers so they don't spin around in the water? | dorsal and anal fins |
| Which fin(s) do fish use for steering and turning? | pectoral fins |
| Which fin(s) do fish use for propulsion when swimming? | tail fin |
| Which fin(s) do fish use for slowing down and stopping? | pelvic fins |
| Are most fish farsighted? | no ... nearsighted |
| Besides using their noses, how else can fish smell their surroundings? | directly through their skin |
| What do fish sense through their lateral lines? | vibrations in the water |
| How can schooling help fish escape predators? | from a distance they can look like one large fish, they can confuse a predator when the group scatters and they can hide behind each other. |
| What group of fish live as parasites, attached to other fish? | jawless fish |
| How do the larger species of sharks keep water flowing over their gills? | they continually swim with their mouths slightly open |
| How are the teeth arranged in shark jaws so they can replace teeth that are torn out by their struggling victims? | teeth are arranged in rows with replacement teeth laying down flat until they grow into place |
| About how many different kinds of sharks are known to exist today? | about 350 species |
| About how many shark species are considered dangerous to people? | about 12 species |
| Why are the bones of fish so thin and weak? | water supports most of the fish's weight |
| Which common, local fish can climb vertical walls? | the Pacific Lamprey |
| Which fins are bat rays using for propulsion? | pectoral fins |
| What is the defense of bat rays? | they have a poisonous spine at the base of their tails |
| What can Great White Sharks sense from the pits on their faces? | electrical impulses from muscles |
| Is Monterey experiencing more or fewer shark attacks annually? | more due to the increase in marine mammal numbers |
| Name our local eel. | Wolf Eel |
| How do catfish use their barbels? | to find food in water that has limited visibility |
| Name the fish species that has been introduced into many freshwater ponds to reduce insect numbers. | Mosquitofish |
| When is a Rainbow Trout called a Steelhead? | when found in saltwater |
| What is the real name for our local "red snapper"? | Rockfish |
| Why have the numbers of our local Sardines been reduced? | overfishing and warm water currents like El Nino |
| What common, local fish lays its eggs out of the water in the sand above the high tide level? | California Grunion |
| Name our local flatfish that lays down on its side as an adult. | Sanddab |
