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A fish ladder, also known as a fishway, fish pass, fish steps, or fish cannon is a structure on or around artificial and natural barriers (such as dams, locks and waterfalls) to facilitate diadromous fishes' natural migration as well as movements of potamodromous species.
A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits. Fish can be grouped into the more basal jawless fish and the more common jawed fish , the latter including all living cartilaginous and bony fish , as well as the extinct placoderms and ...
Bubble nests, also called foam nests, are created by some fish and frog species as floating masses of bubbles blown with an oral secretion, saliva bubbles, and occasionally aquatic plants. Fish that build and guard bubble nests are known as aphrophils.
A robot fish is a type of bionic robot that has the shape and locomotion of a living fish. Most robot fish are designed to emulate living fish which use body-caudal fin (BCF) propulsion, and can be divided into three categories: single joint (SJ), multi-joint (MJ) and smart material -based "soft-body" design.
Fish anatomy is the study of the form or morphology of fish. It can be contrasted with fish physiology, which is the study of how the component parts of fish function together in the living fish.
Along the coast of developed areas of North America and Europe permits are now required to build a fish weir. Depending on fish populations in an area, and local maritime use, fish weir construction may be prohibited entirely.
A tuna (pl.: tunas or tuna) is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae family.The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna (max length: 50 cm or 1.6 ft, weight: 1.8 kg or 4 lb) up to the Atlantic bluefin tuna (max length: 4.6 m or 15 ft, weight: 684 kg or 1,508 lb), which averages ...
Nemo & Friends SeaRider. / 35.62500°N 139.88250°E / 35.62500; 139.88250. Nemo & Friends SeaRider is a simulator ride at Tokyo DisneySea at Tokyo Disney Resort. It is based on the Disney / Pixar film Finding Nemo and its sequel, Finding Dory. [1] Nemo & Friends SeaRider utilizes the same ride system as its predecessor, StormRider ...
Antarctic icefish (suborder Notothenioidei of order Perciformes) Antenna codlet ( Bregmaceros atlanticus) Arapaima (genus Arapaima) Archerfish (genus Toxotes and family Toxotidae) Arctic char. Armored gurnard (family Peristediidae) Armored searobin (family Peristediidae) Armorhead (family Pentacerotidae) Armorhead catfish (genus Cranoglanis)
Anabantoidei. The Anabantoidei are a suborder of anabantiform ray-finned freshwater fish distinguished by their possession of a lung -like labyrinth organ, which enables them to breathe air. The fish in the Anabantoidei suborder are known as anabantoids or labyrinth fish, or colloquially as gouramies. Some labyrinth fish are important food fish ...