fish Class Crossword

This printable crossword puzzle on the topic of Oceans & Water has 32 clues. Answers range from 3 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Description

The art, science, and business of cultivating plants and animals in water.
Fish that leave the sea and migrate up freshwater rivers to spawn.
A mixture of fresh and seawater; or water with total salt concentrations between 0.05% and 3.0%, or a salinity of 1 - 10 parts per thousand.
Fish held for spawning.
Animals feeding or preying on animals, eating only animal food.
Generally, fish that spawn in water temperatures below 55°F (12.8°C). The main cultured species are trout and salmon.
Generally, fish that spawn in temperatures between 50° and 65°F (10.0° and 18.3°C). The main cultured species are northern pike, muskellunge, walleye, sauger, and yellow perch.
Class of arthropod phylum containing crawfish, crabs, lobsters, shrimp, prawn, and others.
The stage in a fish’s life between 1 in. (2.5 cm) and the length at 1 year of age.
Water containing less than 0.05% total dissolved salts by weight.
The stage in a fish’s life from the time it hatches until it reaches 1 in. (2.5 cm) in length.
Marine, freshwater, and land mollusk with one shell.
The supply of water found beneath the Earth’s surface.
Animals that subsist primarily on the available vegetation and decayed organic material in the environment.
Refers to a species of fish, shellfish, or aquatic plant usually found in the public waters of the state.
Organism with a hard outer skeleton and lacking a spinal column.
Of the ocean or sea.
Raising a single species in a pond or enclosure.
All fish documented to live, spawn, or reproduce in public waters of a state, and whose first documented occurrence in public waters was not the result of direct or indirect importation by people.
Refers to a species of fish, shellfish, or aquatic plant not usually found in public waters of the state.
Eating both vegetable and animal food.
Raising two or more species in the same pond or enclosure.
An aquaculture rearing unit through which the water flows.
Raising an aquaculture crop under expansive (range) conditions, such as in the ocean.
Water with a salinity of 30 to 35 parts per thousand.
Deep cylindrical tanks that are similar in operation to horizontal raceways.
The mass of eggs deposited in the water by fishes, amphibians, and other aquatic animals; to deposit eggs or sperm (milt).
Term used to describe fry when they begin active swimming in search of food.
Organism with an inner skeleton and a segmented spinal column.
Generally, fish that spawn at a temperature exceeding 70°F (21.1°C). THe chief cultured species are basses, sunfish, catfish, and minnows.
Level below which the ground is saturated with water.
The whole region from which a river receives its supply of water.

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