12 Questions
Catadromous fish – migratory fish that live in fresh water but breed in ______
salt water
Aquaculture – also known as ______, it is the controlled growth of aquatic species
aquafarming
Fish biomass- is derived from the total number of fish counted in a specific area of water multiplied by the average weight of ______
fish sampled
Cannibalistic- refers to the action of attacking and consuming a member of one's own ______
species
Endemic or indigenous- is native to the ______
locality
Omnivore- is an animal that has the ability to eat and survive on both plant and ______ matter
animal
Plankton are the diverse collection of organisms found in water that are unable to propel themselves against a current or wind. They are
microscopic
Predatory fish are hyper carnivorous fish that actively prey upon other fish or aquatic animals. They are at the top of the
food chain
Female tilapia in the ponds or tanks are prolific breeders, resulting in large populations of small fish. They are known for being highly
fecund
Sabalo is a type of fish known as a bangus breeder or spawner. It plays a key role in the fish's
reproduction
Scavengers are species of fish that feed on decaying organic matter. They help in the process of
decomposition
Viviparous fish give birth to live young, with the eggs developing while receiving nutrition from the parent. This is a form of
live birth
Study Notes
Aquaculture
- Aquaculture, also known as aquafarming, is the controlled growth of aquatic species.
Types of Fish Migration
- Anadromous fish: migratory fish that live in salt water but breed in fresh water.
- Catadromous fish: migratory fish that live in fresh water but breed in salt water.
- Oceanodromous fish: migratory fish that move within salt water only.
Fish-Related Terms
- Fish biomass: derived from the total number of fish counted in a specific area of water multiplied by the average weight of fish sampled.
- Cannibalistic: refers to the action of attacking and consuming a member of one's own species.
- Competition: rivalry for food, space, and oxygen inside the fishpond.
Fish Characteristics
- Endemic or indigenous: native to the locality.
- Exotic or digenous: introduced by other countries.
- Fecundity: the number of eggs laid by the female fish in one spawning.
Habitat and Ecosystem
- Habitat: the place where plants and animals grow and naturally live.
- Food chain: the linear relationship of undergoing the process of eating and being eaten.
- Herbivores: eat invertebrates and receive protein via organisms within the plant matter they ingest.
- Omnivore: an animal that has the ability to eat and survive on both plant and animal matter.
Fish Reproduction
- Oviparous: animals in which the eggs are fertilized and develop outside the body.
- Ovoviviparous: fish in which the eggs are fertilized inside the female; the eggs remain within the mother while they develop, allowing for greater protection from predators and environmental conditions.
- Viviparous: fish that give birth to live young, with eggs developing whilst receiving nutrition from the parent.
Water Quality and Other Terms
- pH: hydrogen ion concentration of water.
- Photosynthesis: a chemical process that occurs in many forms of bacteria and virtually all plants, including aquatic plants and algae, using carbon dioxide, water, and sunlight.
- Plankton: diverse collection of organisms found in water that are unable to propel themselves against a current.
- Predatory: fish that actively prey upon other fish or aquatic animals.
- Prolific: breeders that produce young in great numbers.
- Sabalo: a bangus breeder or spawner.
- Salinity: degree of freshness and saltness of water.
- Scavenger: species of fish that feed on decaying organic matter.
- Temperature: degree of coldness and hotness of water.
- Tide: periodic rise and fall of seawater.
Test your knowledge on aquaculture, Anadromous and Catadromous fish, fish biomass, cannibalistic behavior, and competition among aquatic species.
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