Stock royalty-free photos and images of Ictiologia

Big catfish. Phractocephalus hemioliopterus. Animals and nature concept

Wels catfish or sheatfish (Silurus glanis). Anatomy, different parts of the body. Invasive species in Spain. Pattern of the body.

Fossil fish

Sun drying fish on cloth-covered wooden frames as part of preservation process

Fisherman cleaning a freshly coughted grouper fish for dinner on a boat

Fragrant fresh dried ram fish on the table. Street food, beer snack

Shark eggs in mermaid purses, unhatched embryo, growth process of the shark fetus, fish reproduction

Wels catfish or sheatfish (Silurus glanis). Anatomy, different parts of the body. Invasive species in Spain. Barbels and down side of the head.

Transparent skeleton fish. Multi-colored fishes on a white background. Site about nature, art, animals, sea, fish.

Yellownose Goby (Gobiostoma randalli) perched on a Coral Head - Bonaire

Seal swimming at pool

Orinoco sailfin catfish, common pleco with a black and yellow mottled pattern, tropical fish from the rivers of mexico

Spotted sea bass (Dicentrarchus punctatus), a specie from brackish waters, coastal waters in atlantic ocean and mediterranean sea.

Ichthyology typography, wordart, wordcloud, ichthyology, nature, animal, aquatic

Golden fish in their hands

Wels catfish or sheatfish (Silurus glanis). Anatomy, different parts of the body. Invasive species in Spain. Body.

Various sea shells lay out in form of heart isolated on white background

Portrait of Black Goldfish on White

Archaeology, Ichthyology. Structure tooth shark isolated on a white background. Dental, medicine and fish. anatomical design raster

An ichthyologist feeding Leopard shark at outdoor aquarium on sunny summer. Kung Krabaen Bay Royal Development Study Center, Thailand.

Developing fish egg under microscope view for education

Wels catfish or sheatfish (Silurus glanis). Anatomy, different parts of the body. Invasive species in Spain. Dorsal fin.

Ninespine Stickleback Freshwater Fish (Pungitius pungitius) in Natural Habitat

The european sea bass (Dicentrarchus labrax), different parts of its external anatomy (zoology, ichthyology). Pelvic fin.

Cockerel Fish in Aquarium on a White Background

Various sea shells lay out in form of heart isolated on white background

Various seashells lay out in form of wave isolated on white background

Ampullaria australis, important and popular aquatic freshwater snail, clean glass surface from green algae, essential gastropod mollusk in any tropical nature aquarium

Wels catfish or sheatfish (Silurus glanis). Anatomy, different parts of the body. Invasive species in Spain. Caudal fin.

The eye of monster closeup (river catfish)

Seal swimming at pool

Transparent skeleton fish. Multi-colored fishes on a white background. Site about nature, art, animals, sea, fish.

The black bullhead or black bullhead catfish (Ameiurus melas) is a species of big-headed catfish. In the Iberian Peninsula it is an introduced species native to central North America.

The channel catfish (Ictalurus punctatus), invasive species in Spain. The channel catfish is North America's most numerous catfish species.

Australoheros facetum, fish of the Cichlid family, most are restricted to rivers in southamerica, is an invasive species in Guadiana river in Spain and Portugal. Adult.

Wels catfish or sheatfish (Silurus glanis). Anatomy, different parts of the body. Invasive species in Spain. Anal fin.

Closeup of a suckermouthed catfish, popular spotted pleco for the aquarium, tropical fish specie from America

Graysby (Epinephelus cruentatus) Hiding in a Group of Sponges - Bonaire

Black Goldfish Isolated on White Without Shadow

Various seashells lay out in form of wave isolated on white background

Various sea shells lay out in form of heart isolated on white background

Cute little fish in an aquarium

Seal swimming at pool

Seal swimming at pool

Secretary Blenny (Acanthemblemaria maria) Peering out from a Worm Hole in a Coral Head - Bonaire

Eastern mosquitofish (Gambusia holbrooki), Small fish from North America introduced in Europe at the beginning of the 20th century. Male.

Various sea shells lay out in form of heart isolated on white background

Round Scad Over Turtlegrass (Seagrass) on Coral Reef off Long Key, Florida Keys, Florida

Sea shell in farme isolated on pink background

Seal swimming at pool

Watercolor illustration of veiltail goldfish

The european sea bass (Dicentrarchus labrax), different parts of its external anatomy (zoology, ichthyology). Spiny dorsal fin.

Ninespine Stickleback Freshwater Fish (Pungitius pungitius) in Natural Habitat

Brown Goldfish Isolated on White Background Without Shadow

Channel catfish catfish close up, isolated on white background with clipping paths

Group of starfish, Cushion sea star Oreaster reticulatus, underwater on sea bottom

Couple of northern seahorses together, tropical fishes from the atlantic ocean, vulnerable animal specie

Yellow jellyfish in water along the beach at Manjuyod Sandbar, Philippines

Larvae of fish in nature.

Grey angelfish (Pomacanthus arcuatus) in close-up over a coral reef in the Bahamas. December

Ninespine stickleback, Pungitius pungitius, active and curious tiny and vulnerable freshwater decorative wild fish is domesticated in European biotope aquarium, side view in nature planted design

Black stingray digging in the sand to camouflage and hide away, tropical fish from the rivers of brazil

The face of a mediterranean moray eel in closeup, popular aquarium pet, tropical fish specie

Fish Ancistrus Ancistrus dolichopterus in a home freshwater aquarium

The Iberian nase (Pseudochondrostoma polylepis) fish of the Tajo river and its tributaries in Spain. Young fish underwater.. Young fish photographed underwater in the Lozoya river in Madrid.

Young brown trout (Salmo trutta fario) from Tajo river, a spanish river. Picture taken while snorkeling in the waters of the river.

Fish closeup with a gray or grey and silver shiny skin scales isolated on a blue background. Fish skin texture pattern background.

Various seashells lay out in form of wave isolated on white background

A picture of a slender filefish on the bottom

Closeup of a tiger sorubim, tropical long whiskered catfish from the amazon basin of America

Open mouth the channel catfish close up

Portrait of Black Goldfish

Underwater photography of Common minnow (phoxinus phoxinus) preparing for spawning in a small creek. Beautiful little fish in close up photo. Underwater photography in wild nature. River habitat.

Exotic stingray under water at sea resort

Image of dry natural coral or coralline isolated on white background.

Image of dry natural coral or coralline isolated on white background.

Australoheros facetum, fish in the Cichlid family, most are restricted to rivers in southamerica, is an invasive species in the Guadiana river in Spain.

Shes focused on those fish. a little girl on an outing to the aquarium

Head of a ferocious marine predator, the yellowtail barracuda or Sphyraena obtusata.

Adult and juvenile koi angelfish and Boesemani rainbowfish, popular artificial aqua trade breeds of widespread ornamental fish in magnificent aquascape of planted aquadesign, blurred background

Set of Black Goldfish Isolated on White Background

Bubble Eye Gold Fish Isolated on White Background

Fish closeup with a gray or grey and silver shiny skin scales isolated on a blue background. Fish skin texture pattern background.

Closeup of a chinese high fin banded shark, popular tropical freshwater fish specie from the yangtze river basin of Asia

Cropped shot of a little girl on an outing to the aquarium

Seal swimming at pool

Fresh fish of Bosporus over fig tree leaves. Outdoor fish market on asian side of Istanbul near the Galata bridge, Turkey

Golden carp fish swimming in clear water of lake

Underwater - exotic fishes in an aquarium

Black Goldfish Isolated on White

Australoheros facetum, fish in the Cichlid family, most are restricted to rivers in southamerica, is an invasive species in the Guadiana river in Spain.

Black Goldfish Isolated on White

Globe Eye Goldfish Isolated on White Background

Telescope eye Goldfish Isolated on White Background

Identification picture for the Apistogramma sp. Nanay isolated over white background

Oscar tiger cichlid with mostly solid grey color and a few orange spots, popular pet in aquaculture

Banded cichlid isolated on a black background, popular tropical aquarium pet from the orinoco river of south America

Banded cichlid, popular tropical aqaurium pet from the orinoco river of south america

Close up Comet species goldfish High angle shot black background

Live fish perch on a white background