The dusky millions fish, speckled mosquitofish or the one-spot livebearer (Phalloceros caudimaculatus) is a species of fish native eastern and southern Brazil, northern Argentina, Uruguay and Paraguay.[1] It has also been introduced to Australia, Malawi and New Zealand; primarily for mosquito control, but also as escapees from the aquarium trade.[1] It has been reported as having adverse ecological effects in areas where it has been introduced.[1] The females of this species grow to a total length of 6 centimetres (2.4 in), while males remain smaller.[1]
The duskymillionsfish, speckled mosquitofish or the one-spot livebearer (Phalloceros caudimaculatus) is a species of fish native eastern and southern...
The dusky seaside sparrow (Ammospiza maritima nigrescens) was a non-migratory subspecies of the seaside sparrow, found in Florida in the natural salt...
and Tasmania. The dusky dolphin prefers cool currents and inshore waters, but can also be found offshore. It feeds on a variety of fish and squid species...
The head and back of this fish are dark brown in color with a greenish tinge. The sides have a faint silvery hue with dusky specks, and the belly is white...
eats forage fish, and occasionally squid and cuttlefish. In turn, they are preyed on by sharks, like the dusky shark, and other large bony fish. They are...
Flounders are a group of flatfish species. They are demersal fish, found at the bottom of oceans around the world; some species will also enter estuaries...
to dusky, occasionally with golden tinges throughout. The anal fin lobe is bright yellow, with the remainder of the fin ranging from golden to dusky, while...
of the first dorsal fin. Some fish may show a light yellow to reddish-brown stripe along the flanks. The fins are dusky in colour. The second dorsal and...
Pallas's fish eagles (Haliaeetus leucoryphus) as well as dusky eagle owls (B. coromandus), but the brown fish owl is more terrestrial than the fish eagle...
Stegastes nigricans, the dusky farmerfish, is a species of damselfish found around coral reefs at a depth of one to 12 meters, in tropical climates between...
Priacanthidae are typically colored bright red, but some have patterns in silver, dusky brown, or black. Most species reach a maximum total length of about 30 cm...
temporarily disappeared from the fossil record, often for intervals measured in millions of years, before reappearing unchanged". Earlier work also supports the...
Jeremy Wade, who travels around the globe in search for big and dangerous fish. River Monsters premiered on ITV in Great Britain, and became one of the...
A flatfish is a member of the ray-finned demersal fish order Pleuronectiformes, also called the Heterosomata, sometimes classified as a suborder of Perciformes...
Murray cod (Maccullochella peelii) is a large Australian predatory freshwater fish of the genus Maccullochella in the family Percichthyidae. Although the species...
(flat fish), for its popularity on Catholic holy days. Halibut are demersal fish and are highly regarded as a food fish as well as a sport fish. A 2018...
individuals. Nests of prairie dogs and several social insects can host millions of individuals. Nest building (nidification) is often driven by a biological...
Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins...
referred to as perch, striped perch or preacher is a freshwater perciform fish native to much of North America. The yellow perch was described in 1814 by...
chub (otherwise colored somewhat like the Atlantic) are mottled with small dusky blotches, and the chub has a larger eye than the Atlantic. Less obvious...
beneath the snout, around the jaw, and the origin of the pectoral fins have dusky mottling. The most distinctive features of the longfin mako shark are its...
Global Information
