Fish Flashcards
1
Q
- It is called the age of the Fish
- An aquatic vertebrate with gills, limbs (if present) in the forms of fins, and usually with a skin covered
in scales of dermal origin - They have no jaws and include extinct ostracoderms and living hagfishes and lampreys
A
Devonian Period
Fish
Agnathans
2
Q
- Fishes that lost the heavy dermal armor and adopted cartilage as skeleton
- Presented in Devonian but became extinct by the lower Permian and they resemble bony fish but
have heavy spines
A
Cartilaginous Fishes
Acanthodians
3
Q
- Contains the coastal tiger and bull sharks and the hammerhead
A
Carcharhiniformes
4
Q
- Join tetrapod as a monophyletic lineage of ___________
- The __________ became extinct in the Carboniferous and left no direct descendants
- These are the dominant fishes today that has two distinct lineages: the ray-fined and the lobe-finned
fishes
A
Gnathostomes
Placoderms
Bony-Fishes
5
Q
- What class do Hagfishes belong and are entirely marine
- What class do Lampreys belong and are anadromous wherein they live in salt water and spawn in
freshwater - The larva of Lampreys are __________ until it metamorphosis into an adult
A
Class Myxini
Class Cephalaspidomorphi
Suspension-Feeder
6
Q
- The Cartilaginous Fishes and have well-developed sense organs, powerful jaws and predaceous habits
- Contains large, pelagic sharks such as the white and mako shark
- Dogfish sharks are belonging to order _______
A
Class Chondrichthyes
Order Lamniformes
Order Squaliformes
7
Q
- What do you call the pointed body of sharks
- What do you call the pattern wherein the front of the ventral mouth is the pointed rostrum and the
tail has a longer upper lobe - In male shark it is modified to form a clasper used in copulation
A
Fusiform
Heterocercal
Medial part of pelvic fin
8
Q
- Common sensory organ of fishes that consist neuromasts
- Kidney of sharks
- T or F. All chondrichthyans have internal fertilization
A
Lateral Line
Opisthonephric Kidney
True
9
Q
- Some oviparous sharks and rays lay a capsule or ________ that catches onto the kelp with tendrils
- Members of this small subclass are remnants of a line that diverged from the earliest shark lineage
wherein there are 31 extant species - Constitute 96% of all living fishes and half of all vertebrates
A
Mermaid’s purse
Subclass Holocephali
Teleosts
10
Q
- They are the ray-finned fishes. Over 23,600 species constitute the most familiar bony fishes
- It maintains the buoyancy of fish
- The ______ tail allowed greater speed and buoyancy
- Only seven species are alive today; six species of lungfishes and the coelacanth
A
Class Actinopterygii
Swim Bladder
Homocercal
Class Sarcopterygii
11
Q
- Tail became symmetrical with a continuous fin known as ______
- Scale of teleost fishes
- Scale of cartilaginous fishes
- Scale of non-teleost bony fishes
A
Diphycercal
Cycloid and Ctenoid
Placoid
Ganoid
12
Q
- They are the living fossils that arose during Devonian period
- The shark liver has _______, a fatty hydrocarbon that acts to keep sharks a little buoyant
- It is movable flap that covers the pharyngeal cavity of fish’s gill
A
Coelacanth
Squaline
Operculum
13
Q
- Are a third group, and a crop the abundant microorganisms of the sea
- Represent ovoviparous fish that develop in the ovarian cavity
- T or F. Growth is temperature dependent; warmer fish grow rapidly
A
Suspension-feeders
Guppies and Mollies
True
14
Q
- It is the most economical form of motion because water buoys the animal
- Includes skates, sawfish rays, electric rays, stingrays, manta rays and others
A
Swimming
Order Rajiformes
