Aquarium and Stingrays Flashcards
Mangrove thickets form important nurseries for marine fish and invertebrates.
True or False
True
Nocturnal fishes tend to have the following characteristics:
a. Large eyes, more solitary, red or yellowish-brown, well developed lateral line.
b. Large eyes, more solitary, blue or blackish, well developed lateral line.
c. Small eyes, gregarious, red or yellowhis brown, well developed lateral line.
d. Large eyes, more solitary, red or yellowish brown, poorly developed lateral line.
a. Large eyes, more solitary, red or yellowish-brown, well developed lateral line.
The “pharyngeal jaws” of moray ells may have been an inspiration for Ridley Scot’s “Alien”.
True or False
True
What percentage of the total area of the Sonoran Desert is the Sea of Cortez?
50%
The Vaquita is the rarest and most endangered marine mammal in the world.
True or False
True
Vaquita means “little sheep”.
True or False
False
It is the male seahorse who appears to “give birth” to the young.
True or False
True
Rather than encouage people to get live seahorses for their home aquarium, we suggest they purchase dried seahorses at shell shops.
True or False
False
A single pound of shrimp may cause up to 80 pounds of bycatch to be netted, much of which is discarded.
True or False
True
Our stingrays are _________,
Cownose Rays
A fish is generally an animal with the following characteristics:
a. Vertebrate, ectothermic, breathes with lungs, lives in water, pared fins, body covered in scales.
b. Vertebrate, endothermic, breathes with gills, lives in water, paired fins, skin smooth and slimy.
c. Vertebrate, ectothermic, breathes with gills, lives in water, paired fins, body covered in scales.
d. Invertebrate, ectothermic, breathes with gills, lives in water, paired fins, body covered in scales.
c. Vertebrate, ectothermic, breathes with gills, lives in water, paired fins, body covered in scales.
There are exceptions: From the list below, chose the fish that:
__ Lives partially on land
__ Is endothermic (“warm-blooded”)
__ Lacks paried fins or body scales
__ Breathes using lungs
- Tuna
- Lungfish
- Mudskipper
- Lamprey
Mudskipper (3) Lives partially on land
Tuna (1) Is endothermic (“warm-blooded”)
Lamprey (4) Lacks paried fins or body scales
Lungfish (2) Breathes using lungs
Chondrichthys means “cartilage-fish” and refers to the group that contains sharks, skates, and rays.
True or False
True
Fishes make up what percentage of all known vertebrate animals?
50%
A “stingray” is any member of the order Myliobatiformes that posseses onne or more serrated barbs made for the delivery of a painful venom.
True or False
True
Some species of stingrays use their barbs to attack and kill prey.
True or False
False
The hammerhead shark is a major predator of rays in the Gulf of California.
True or False
True
We have a hammerhead shark here at the Museum, in the Warden Aquarium.
True or False
True
We say that there are “about” ___ kinds of rays in the Sea of Cortez.
40
Cownose rays have how many young in a typical litter?
One, occasionally two.
Our Rays were born in captivity at which institution?
Phoenix Zoo
As a docent, it’s more important for me to know the genus and species of each fish in our aquarium than to know their general adaptations and habitats.
True or False
False
Stingray’s “wings” are their:
a. Dorsal fins
b. Ventral fins
c. Pectoral fins
d. Adipose fins
c. Pectoral fins
Stingray venom is protein-based, and can best be inactivated by ______.
heat
We like to bring up the case of Steve Irwin when pointing out the dangers of stingrays.
True or False
False
Ampullea of Lorenzini are structures in the skin of sharks and rays that can detect and interpret electrical signals given off by other animals.
True or False
True
Our exhibit is called “Stingray Touch” because we create the situation where the ray touches the visitor rather than the other way around.
True or False
True
A group of rays is called a ________.
Fever
“Sustainable seafood” means that it is fished or farmed in ways that protect sea life and habitats with methods that avoid overexploitation of resources.
True or False
True
Our stingrays are fed sustainable seafood.
True or False
True
