Anatomy
what makes a fish...a fish? (name 3 features!)
- aquatic, gills, fins, scales, vertebrae all accepted
what is countershading? give 2 examples of animals with countershading
Countershading is a natural camouflage strategy where an animal’s upper body is darker and its underside is lighter, helping it blends into its environment and appear less three-dimensional.
ex: sharks, penguins, orcas, red catfish
What do the fish have that prevents them from being able to be touched?
Bonuses points: What is it used for?
Mucus or a slime coating.
It gives them protection, hydrates them, and fights against infections.
why do male fiddler crabs wave?
to lure female fiddler crabs into their burrows, it is like a courtship display.
do humans or killer whales hear higher frequencies of sound?
killer whales, they have a higher hearing threshold
what is the name of the fishes 'arm' fins?(1/2) what are they used for?(2/2)
Pectoral fin: used for balance and movement
how do adaptations work?
LONG term changes an animal inherits that become more common in an animal's population over time. (i.e. giraffes neck length)
NOT short-term adjustments like acclimatization
What kind of shell dose a hermit crab live in, in the touch tank?
A welk or conch
how can you tell the difference between a female and male fiddler crab (give 2 features)
1. male fiddler crabs have one large claw
2. their abdominal 'aprons', the male has a rocketship shape and the female has an inverted triangle.
What was abril's favorite animal this week?
a Dolphin!
what kind of mouth type does an archer fish have? what do they use it for?(hint: think of their hunting skills)
Superior (above) mouth type they use to shoot water at their prey
Im a wobbegong shark and I blend into my environment, what kind of coloration do I have?
camouflage (1/2 points)
cryptic coloration (2/2 points)
do spider crabs have 8 legs or 10?
10 legs, they are decapods
what does decapod mean? what animals are associated with this term (+100)
"ten-footed", crabs
why do blob fish look the way they do when brought to surface?
Underwater, the high pressure maintains the blobfish’s shape, while at the surface, the lack of pressure allows its gelatinous body to sag.
What is the lateral line used for?
to help the fish sense the world around them by the electrical signals of the water. Using this they can detect water movements, vibrations, and pressure changes, helping them navigate, hunt, and avoid predators
what are elongate body shapes good for? (hint: think of what they eat)
elongate body shapes are good for burrowing in tight spaces, like species that live within mangroves that need to weave through roots to get their food.
How do you tell the difference between a scallop and a oyster.
Scallops have triangular attachments to each side of the bottom of their shell and vertical ridges whereas oysters have neither.
what does bivalve mean? (+100 what animal is this term associated with?)
"two doors" clams, oysters, mussels, scallops
what was robs favorite sea animal?
blue whale
what is the pyloric caeca?
filaments connected to the fish's stomach/gut that increase the surface area and help them break down nurtients.
what are poster colors? (hint: think of lionfish)
territorial, warning, or mating colors that allow an animal to visually communicate its protective feature (poison, stinging) to other animals
What other fish are in the touch tank room but not in the actual touch tank?
Toad fish
do crabs have exoskeleton or endoskeletons? what is the difference?
1. exoskeleton
2. endoskeletons are inside the body and exoskeletons are made of chitin and protect the soft inner muscles of crabs
Where dose Nory go to colloge?
Paul Smiths in the ADK.