The rock bass, also known as the rock perch, goggle-eye, red eye, and black perch, is a freshwater fish native to east-central North America. This red-eyed creature is a species of freshwater fish in the sunfish family (Centrarchidae) of order Perciformes and can be distinguished from other similar species by the six spines in the anal fin.
The Sacramento perch is an endangered sunfish native to the Sacramento–San Joaquin River Delta, Pajaro, and Salinas River areas in California, but widely introduced throughout the western United States.
The yellow perch, commonly referred to as perch, striped perch, American perch, American river perch or preacher is a freshwater perciform fish native to much of North America. The yellow perch was described in 1814 by Samuel Latham Mitchill from New York. It is closely related, and morphologically similar to the European perch ; and is sometimes considered a subspecies of its European counterpart. Other common names for yellow perch include American perch, coontail, lake perch, raccoon perch, ring-tail perch, ringed perch, and striped perch.
The watercress darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the eastern United States where it is only known from the Black Warrior River drainage basin near Birmingham, Alabama.
The European perch, also known as the common perch, redfin perch, big-scaled redfin, English perch, Euro perch, Eurasian perch, Eurasian river perch, Hatch, poor man’s rockfish or in Anglophone parts of Europe, simply the perch, is a predatory species of the freshwater perch native to Europe and northern Asia. The species is a popular quarry for anglers, and has been widely introduced beyond its native area, into Australia, New Zealand and South Africa. They have caused substantial damage to native fish populations in Australia and have been proclaimed a noxious species in New South Wales.
The western pygmy perch is a species of temperate perch endemic to southwestern Australia.
Freshwater fish are those that spend some or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%. These environments differ from marine conditions in many ways, especially the difference in levels of salinity. To survive fresh water, the fish need a range of physiological adaptations.
Balston's pygmy perch, also known as Balston's perchlet, or king river perchlet, is a species of temperate perch endemic to Southwest Australia, where it occurs in coastal streams, ponds, lakes, and swamps. It prefers shallow, acidic waters with patches of sedge growth. This species can reach 9 cm (3.5 in) SL, though most do not exceed 6 cm (2.4 in). It can also be found in the aquarium trade.
The Yarra pygmy perch is a species of temperate perch endemic to Australia. It occurs in the coastal drainages of southeastern Australia, preferring streams and lakes with plentiful vegetation and flowing water. It feeds on small insects and their larvae, as well as small crustaceans. This species can reach a total length of 7.5 cm (3.0 in), though most only reach about 5 cm (2.0 in). Yarra pygmy perch are olive-green above, greenish-brown on the sides, and yellowish-white below, with chevron-shaped markings on rear half of the body. It can also be found in the aquarium trade.
Nannoperca oxleyana, commonly known as the Oxleyan pygmy perch, is a species of temperate perch endemic to Australia. It occurs in the coastal drainages of eastern Australia, being found in dune lakes, ponds, creeks, and swamps with plentiful vegetation to provide shelter. The waters in which it lives are often dark and acidic. It preys upon aquatic insects and their larvae, as well as planktonic crustaceans and even algae. This species can reach 7.5 cm (3.0 in) SL, though most do not exceed 4 cm (1.6 in). It can also be found in the aquarium trade.
Otophryne pyburni is a species of frog in the family Microhylidae. It is found in northern South America east of the Andes. It is a common, diurnal frog found in tropical rainforest, perching next to streams or living on the forest floor under leaves or among roots. Males are territorial and calling mostly on rainy days. The eggs may be laid either inside or outside water. The tadpoles are aquatic and hide under leaves in small ponds. It is locally threatened by habitat loss.
Agassiz's perchlet, also known as Agassiz's glass fish and the olive perchlet, is a species of ray-finned fish in the family Ambassidae. It is semi-transparent with dark scale edges forming a pattern over most of the body. It grows to a maximum of 7.5 cm. It is a macrophyte spawner with adhesive eggs. It is endemic to Australia. It was named for the zoologist Louis Agassiz.
Galaxiella munda is a species of fish in the family Galaxiidae. It is endemic to inland waters of southwestern Australia, and known as the Western mud minnow. In 1999 the Mud Minnow was not included in the list of threatened species under the Environment Protection and Biodiversity Conservation Act, but is listed as Endangered on the IUCN Red List.
The honey blue-eye is an endangered species of fish in the subfamily Pseudomugilinae. It is endemic to southeastern Queensland, Australia, where it is found in mildly acidic, often tannin-stained, ponds and streams in wallum habitat.
Ceriagrion glabrum is a species of damselfly in the family Coenagrionidae. Its common names include common orange, common citril, common pond damsel, common waxtail, orange waxtail and gewone aljander. It is widespread in Africa, where it is found in habitats that are dominated by reeds.
Ewens Ponds is a series of three water-filled limestone sinkholes in the Australian state of South Australia located in the gazetted locality of Eight Mile Creek, on the watercourse of Eight Mile Creek about 25 kilometres south of Mount Gambier and 8.4 kilometres east of Port Macdonnell. The ponds are popular with recreational divers due to underwater visibility of up to 80 metres. It has a large fish population including the endangered golden pygmy perch. Ewens Ponds has been part of the Ewens Ponds Conservation Park since 1976.
The johnny darter is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is native to shallow waters throughout North America east of the Rocky Mountains.
The common flatwing is a very common species of damselfly of the subfamily Argiolestinae in the family Megapodagrionidae. It is also known as an Australian flatwing.
The southern pygmy perch, also known as the Tasmanian pygmy perch, is a species of freshwater ray-finned fish, a temperate perch from the family Percichthyidae which is native to southeastern Australia and Tasmania.
The little pygmy perch is a freshwater ray finned fish, a temperate perch from the family Percichthyidae endemic to southwestern Western Australia. It is known from just four sites in the Denmark catchment. It is found in tannin stained, acidic and shallow streams in woodland dominated by Melaleuca rhaphiophylla.
