Stickleback - Wikipedia
The sticklebacks are a family of ray-finned fishes, the Gasterosteidae which have a Holarctic distribution in fresh, brackish and marine waters. They were thought to be related to the pipefish and seahorses …
Stickleback | Adaptations, Habitat & Diet | Britannica
Stickleback, any of about eight species of fishes in five genera of the family Gasterosteidae (order Gasterosteiformes) found in fresh, brackish, and marine waters in temperate regions of the Northern …
What Is a Stickleback and Why Is It Important to Science?
Jul 21, 2025 · The stickleback is a small, carnivorous fish found across the Northern Hemisphere. Inhabiting fresh, brackish, and marine waters, the common three-spined stickleback rarely exceeds 3 …
Stickleback: Exploring the Adaptable Fish's Fascinating World
The Stickleback belongs to the family Gasterosteidae, with species found in both freshwater and marine environments across the Northern Hemisphere. These small fish are renowned for their distinctive …
Three-spined stickleback - The Wildlife Trusts
A diminutive but aggressive predator, the three-spined stickleback hunts tadpoles and small fish. It is also known for fiercely protecting its nest of eggs until they hatch. Look for it in ponds, lakes and rivers.
Stickleback | Oregon Sea Grant | Oregon State University
Identification Tips > Threespine Stickleback, as their name suggests, have three dorsal spines located in front of the soft dorsal fin. > They have a wide body with a very narrow caudal peduncle. > Pelvic fins …
Sticklebacks - Encyclopedia.com
Sticklebacks are small, bony fish in the family Gasterosteidae that rarely exceed 3 in (8 cm) in body length. Instead of scales, these fish have bony plates covering their body. Sticklebacks are found in …
Threespine Stickleback (Gasterosteus aculeatus) - Species Profile
Its common name is derived from the presence of three (occasionally 2-4) sharp spines on the back forward of the dorsal fin. Dorsal fin is broad and has 10-14 soft rays; caudal fin contains 10 rays. …
Stickleback: Appearance, Behavior, and Care - PETBOOK
Mar 21, 2025 · The stickleback is a small fish characterized by its conspicuous spines and unique reproductive behavior. Despite its small size, it is a fierce swimmer that scares off predators with its …
Sticklebacks: Are They Freshwater Fish? Explore Threespine Species ...
Jan 16, 2026 · Sticklebacks are small fish belonging to the Gasterosteidae family, commonly found in both freshwater and saltwater environments. They are known for their distinctive body shapes and …