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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 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 raceway, also known as a flow-through system, is an artificial channel used in aquaculture to culture aquatic organisms. Raceway systems are among the earliest methods used for inland aquaculture. A raceway usually consists of rectangular basins or canals constructed of concrete and equipped with an inlet and outlet.
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 ...
Build-a-lot was the #1 Action/Arcade game of 2007 on Big Fish Games. Build-a-lot was Casual-Game-of-the-Week at killerbetties.com, who highlighted the simple but smooth and pleasing animation, sound effects and surprisingly fun micromanagement. It was rated 4.5 out of 5 stars by Yahoo! Games users.
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.
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 ...
Kissing gourami. Kissing gouramis, also known as kissing fish or kissers ( Helostoma temminckii ), are medium-sized tropical freshwater fish comprising the monotypic labyrinth fish family Helostomatidae (from the Greek elos [stud, nail], stoma [mouth]). [2] These fish originate from Mainland Southeast Asia, the Greater Sundas and nearby smaller ...
Actinopterygii (/ ˌ æ k t ɪ n ɒ p t ə ˈ r ɪ dʒ i aɪ /; from actino- 'having rays', and Ancient Greek πτέρυξ (ptérux) 'wing, fins'), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species.
Luciocephalus pulcher. Jawfishes. Osteoglossid are all mouthbrooders. The parents can hold hundreds of eggs in their mouths. Once hatched, the young may make several trips outside the parent's mouth before deciding to leave permanently. Some species also build nests and protect the young after they hatch. Gourami [3]