1,731 Free Photos of Freshwater Fish

animals equipment aquaculture fishery freshwater mussel work of the service fish hatcheries wildlife underwater food

Fish Phoxinus phoxinus on exhibition Subaqueous Vltava, Prague 2011, Czech Republic

Image title: Longnose sucker river freshwater fish
Image from Public domain images website, http://www.public-domain-image.com/full-image/fauna-animals-public-domain-images-pictures/fishes-public-doma

Jaguar cichlid (Parachromis managuensis)

wildlife animals

Water aquarium lake

Black-barred Myleus ( Myleus schomburgkii ) at Newport Aquarium, newport ky

serrasalmidae characidae

Dori-baengbaengi (pan-fried freshwater minnow)

Australian rainbowfish

Hi spot rasbora

cyprinidae biology

Pond background white

background animals

Water nature animal

Giant gourami (Osphronemus goramy) at Bristol Zoo, Bristol, England.

wildlife animals

Starry Flounder

Potamilus capax syn. Lampsilis capax

Pocketbook Clam (Lampsilis copax)
Subject: Freshwater mussels, Lampsilis
Tag: Shellfish

animals mollusk

Oncorhynchus kawamurae. One species of Salmon in Japan. Five months child. Fuji Yusui no Sato Aquarium.

Dies ist ein "Agamyxis pectinifrons". Die Aufnahme ist vom 21.08.2006 .

siluriformes wildlife

Pond background white

background animals

Seafood fresh healthy

Toddler stick water

Garden party with fish in pond and reeds

Lake outdoor catch

Three rosy red / fathead minnows in a home aquarium. Male foreground, two females rear. All three are named Jennifer, and live in a 20 gallon tank with crayfish and snails in New York City.

underwater animals

Anomalochromis thomasi-Weibchen

Jewel cichlid animal floats

Water rod leisure

Tetraodon mbu in Kew Gardens, England.

Adulter Trauermantelsalmler, Gymnocorymbus ternetzi

underwater animals

Water sport rod

Perch

十和田湖のヒメマスの塩焼き

European chub on exhibition Subaqueous Vltava, Prague 2011, Czech Republic

wildlife animals

Lake outdoor catch

Nature water rod

Goldfish nature tropical

Corydoras aeneus 2

Seafood fresh marine

Seafood fresh marine

Grebes dancing in the open water of the marsh. Entrant in Bear River Refuge 2014 photo contest in Grebes! category.

Photo Credit: Jeremy Freshwater / USFWS

Corydoras trilineatus

Aquarium underwater panzer

Alligators often cruise Woody Pond disguised by duckweed and other aquatic plants as they enjoy the freshwater impoundments.

Credit: USFWS/Jamie Letendre

reptiles animals

Vessel clouds fisherman

Dish thailand meal

vegetables fish

Nature water rod

Dish thailand meal

vegetables fish

Water background black

background animals

Double-crested Cormorant swimming in water with a struggling fish in its mouth. Entrant in Bear River Refuge 2014 photo contest in animal behavior category.

Photo Credit: Jeremy Freshwater / USFWS

Endangered freshwater mussels in the Clinch and Powell River Watersheds in Virginia. Bottom diagonal row, left to right: Cumberlandian combshell (Epioblasma brevidens), Oyster mussel (Epioblasma capsa

Common bream on exhibition Subaqueous Vltava, Prague 2011, Czech Republic

River pike masking

River pike masking

River pike masking

River pike masking

River pike masking

River pike masking

River pike masking

River pike masking

River pike masking

River pike masking

River pike masking

River pike masking

Water background black

background animals

River pike masking

Indoor culture of freshwater mussels

Горчак обыкновенный(Rhodeus amarus)
Latina: Rhodeus amarus

wildlife animals

Quantitative sampling for freshwater mussels

Juvenile freshwater mussels added to a cage

Single rearing plan with juvenile freshwater mussels

underwater fish

Biological larvicide

Rearing pan

Mussel silo

Mussel bunker

Concrete hatchery raceway

Hatchery ponds

Laser engraver

Repeat cycle timers

Mussel silo in the river

Mussel silo culture chamber

Laser engraver-1

Glass culture beakers

Eastern elliptio

Standing cages at Genoa National Fish Hatchery

Bucket culture system

Wet lab and culture area

Underside of the upper bucket

Solenoid valves are plumbed into the PVC manifold

Partial flow-through bucket system

Haemacytometer used to track feed concentration

Pulsed flow-through system

Hruska boxes at Missouri State University

Mussel culture chambers

Underside of upper bucket

Measuring shell length

Ice added to a mussel transport container

Engraving a tag into a freshwater mussel shell

Juvenile freshwater mussels

Freshwater mussel conglutinates

Mussel basket with 150 micron mesh

Hruska boxes at Missouri State University-1

Inside of mesh culture chamber

Mussel silo in the Red Bird River

901 - 1000 of 1,731 Next page

/ 18