| Hyphessobrycon compressus | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Characiformes |
| Family: | Characidae |
| Genus: | Hyphessobrycon |
| Species: | H. compressus |
| Binomial name | |
| Hyphessobrycon compressus (Meek, 1904) | |
Hyphessobrycon compressus, the Mayan tetra, is a species of tetra, belonging to the family Characidae. It is the northernmost species in the genus Hyphessobrycon , as well as its type species.
The Mayan tetra is a silver fish with clear fins. They express minimal sexual dimorphism, with males being slightly darker than females. The base of the dorsal fin is black in coloration. These fish are known to grow up to 4 to 4.5 centimetres (1.6 to 1.8 in) in length. It is similar in shape to the black phantom tetra, although it is slightly slimmer in appearance.
The Mayan tetra is known to inhabit the Papaloapan River Basin in southern Mexico, as well as Belize and northern Guatemala.
They live in waters ranging from 23 to 26 °C (73 to 79 °F). As a benthopelagic fish, they resides away from the surface of the water.
It is presumed that the Mayan tetra is an opportunistic omnivore.
Characidae, the characids or characins, is a family of freshwater subtropical and tropical fish belonging to the order Characiformes. The name "characins" is an historical one, but scientists today tend to prefer "characids" to reflect their status as a, by and large, monophyletic group. To arrive there, this family has undergone much systematic and taxonomic change. Among those fishes remaining in the Characidae currently are the tetras, comprising the very similar genera Hemigrammus and Hyphessobrycon, as well as a few related forms, such as the cave and neon tetras. Fish of this family are important as food in several regions, and also constitute a large percentage of captive freshwater aquarium fish species.
Tetra is the common name of many small freshwater characiform fishes. Tetras come from Africa, Central America, and South America, belonging to the biological family Characidae and to its former subfamilies Alestidae and Lebiasinidae. The Characidae are distinguished from other fish by the presence of a small adipose fin between the dorsal and caudal fins. Many of these, such as the neon tetra, are brightly colored and easy to keep in captivity. Consequently, they are extremely popular for home aquaria.
The black neon tetra is a freshwater fish of the characin family (Characidae) of the order Characiformes. It is native to the Paraguay basin of southern Brazil. They are often found in the aquarium trade.
The black phantom tetra, or simply phantom tetra, is a small freshwater fish of the characin family (Characidae) of order Characiformes. It is native to the upper Paraguay basin and upper Madeira basin in Brazil and Bolivia. It is commonly seen in the aquarium trade.
Hyphessobrycon is a genus of freshwater fish in the family Characidae. These species are among the fishes known as tetras. The genus is distributed in the Neotropical realm from southern Mexico to Río de la Plata in Argentina. Many of these species are native to South America; about six species are from Central America and a single species, H. compressus is from southern Mexico.
Hyphessobrycon columbianus is a species of Tropical freshwater fish of the characin family. The Colombian tetra is native to the Acandi River near Acandí) in northwestern Colombia. The Colombian tetra's habitat tends to be slow-flowing creeks and tributaries.
The flame tetra, also known as the red tetra or Rio tetra, is a small freshwater fish of the characin family Characidae. This tetra was first introduced as aquarium fish in 1920 by C. Bruening, Hamburg, Germany, and formally described in 1924 by Dr. George S. Myers. Today large numbers are bred in captivity and it is common in the aquarium trade, but the remaining wild population in Southeast Brazil is highly threatened.
The ember tetra is a freshwater fish of the characin family of order Characiformes. It is native to the Araguaia River basin of Brazil and was discovered in 1987 and named in honor of the fish explorer Heiko Bleher's mother.
Hyphessobrycon heterorhabdus, commonly known as the flag tetra or Belgian flag tetra, is a species of freshwater characin fish endemic to Brazil. Belonging to the family Characidae, this species is distinguished by its vibrant coloration and patterns, which have contributed to its popularity in the aquarium trade.
Ectrepopterus uruguayensis is a small species of characin originally recorded only from streams in Uruguay, with occasional sightings in Brazil and Argentina. It is the only known member of the genus Ectrepopterus, which was formerly a subgenus of Megalamphodus. Given its restricted range, it is considered a rare fish, and is of note for conservation researchers interested in preserving the biodiversity of the region.
Hyphessobrycon bentosi, the Bentos tetra, ornate tetra or candy cane tetra, is a species of characin fish found in sluggish tributaries at the Amazon Basin in Brazil and Peru. Occasionally, it makes its way into the aquarium trade. It has often been confused with the rosy tetra.
Hyphessobrycon auca is a species of South American fish in the family Characidae.
Hyphessobrycon axelrodi is a species of tetra in the family Characidae.
Hyphessobrycon bifasciatus, the yellow tetra, is a species of fish in the family characidae.
Hyphessobrycon boulengeri is a species of tetra belonging to the family charicidae. It is native to South America. It inhabits the Rio Grande do Sul, Brazil.
Hyphessobrycon cachimbensis is a species of South American tetra, belonging to the family Characidae.
Hyphessobrycon chocoensis is a species of South American tetra, belonging to the family Characidae. It is pale orange in coloration. It has a very thin and dark midline beginning at the base of the caudal fin and fading back to pale orange before it reaches the gills. It is around 4 centimetres (1.6 in) in length. It is known to inhabit the Telembí River Basin in Colombia. This fish is benthopelagic, meaning that it resides away from the surface of the water.
Hyphessobrycon condotensis is a species of South American tetra, belonging to the family Characidae. They are beige in coloration, with a slightly greenish hue. Just behind the gill, they exhibit a faint darker patch, similar in shape to that of the black phantom tetra. They are known to grow up to around 4 centimetres (1.6 in) in length. Their species name, condotensis, is derived from one of the waterways in which they are found, known as the Río Condoto. Hyphessobrycon condotensis is known to live in the San Juan River Basin in Colombia. As a benthopelagic fish, they reside away from the surface of the water.
Hyphessobrycon copelandi is a species of South American tetra, belonging to the family Characidae. They are gray in coloration with a faint black humeral spot. Their dorsal, pectoral, and anal fins are white fronted. It is known to reach a length of 3.5 centimetres (1.4 in). Hyphessobrycon copelandi is known to live in the Solimões, Mana, and Approuague River Basins. It is most often found in slow moving waters or areas in creeks with a counter current. It inhabits the upstream part of the river before waterfalls. They have seen limited use in the fish trade, even having a common name in German, federsalmler, which translates to "feather tetra". As a benthopelagic fish, they reside away from the surface of the water.
Bryconops piracolina is a small fish that inhabits the waters of Brazil. It is slender and silvery in color, like many fish in Bryconops, but can be distinguished from other members by way of its dorsal fin, which has a black patch of color extending up from the fin-base; congeners usually have light pigment in the dorsal fin, or a brighter color.
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