Results for “Maracyn-2”

The genus Gymnotus has undergone considerable taxonomic revision in recent years, with over 20 new species being described since 1994, of which this stunning species is one. It's still very rare in the hobby and tends to command a high price when available. Like other Gymnotids, it produces a weak electric field using specially-adapted muscle tissue located towards the tail. It also possesses electroreceptors which allow the fish to receive electrical signals. With these the fish can sense ...

This species is also known by the vernacular 'jungle perch' or 'sidebar barb' and should not be considered an aquarium subject in all but the most extreme circumstances since it can grow to over 2 feet in length, weigh in excess of 5 kg and is a powerful, pelagic predator. It's also a popular sport fish with a reputation for striking hard.

This species is poorly-known in the aquarium hobby and may have never been maintained outside its native countries. It can be distinguished from congeners by the following combination of characters: 26-27 lateral line scales; two roundish, dark blotches on each flank, one beneath dorsal-fin origin and above the lateral line, the other on the caudal peduncle and passing thro...

This species was only described to science in 2005, the species name being taken from the name of a local tribe. It's also known as the spotted orange seam plec, due to its patterning. It's found living alongside other Loricariid species in nature, including Peckoltia and other Hemiancistrus species. There's ongoing discussion as to whether this species and the currently undescribed L122 are one and the same, as these two were apparently both included in the scientific description...

This species appears to be unknown in the aquarium trade but is a valued food fish within its native range. Hemibagrus has been divided into a number of putative species groups which may or may not represent monophyletic assemblages, and following a major review by Ng and Kottelat (2013) H. filamentus is included in the H. nemurus group.

Members of this assemblage can be told apart from other congeners by possession of 44–46 vertebrae, an adipose-fin with a relatively short base (< 20 % SL), a colour pattern comprising either distinct black spots arranged in vertical columns or irregular black vertical lines running along the flanks, and normally a reddish or orangish caudal-fin in life.

This species is now considered endemic to Java but has been confused with the congeners H. gracilis (from eastern Peninsular Malaysia), H. velox (Sumatra) and H. bongan (Borneo) in the past, while the population formerly considered to inhabit northwestern Peninsular Malaysia has been described as H. divaricatus (Ng and Kottelat, 2013).

Not recommended for the beginner or for the general community tank, despite often being sold as such. The Jewel Cichlid is regularly seen in the trade. Recently, Hemichromis lifalili has become the more popular fish. These species can be easily distinguished as H. lifalili have only 2 black spots on the flanks whereas H. bimaculatus has 3, having an extra spot on the caudal peduncle....

This is the 'real' rummy-nose. The species most often sold as such is, in fact, the firehead tetra, H. bleheri. These 2 are very similar in appearance, as is the 'false' rummy-nose, Petitella georgiae. The 3 species can distinguished by several factors. The first, is by the extent to which the red colouration on the head of the fish extends into the body. H. bleheri is the only one of the 3 in which the red extends beyond the gill covers. The amount of red colouration on ...

Current knowledge suggests that H. formosanus is the most widely-distributed and following Chen and Fang (2009) it can be distinguished by the following suite of characters: 3+7 dorsal-fin rays; 10-12 pectoral-fin rays (modally 11) +9-11 (modally 10)...

This rarely-traded species is a member of the H. ocellata 'group' of closely-related congeners, an assemblage which currently comprises H. ocellata, H. bilineata, H. confuzona, H. orthogoniata, H. ogilviei and H. parclitella. Following Tan and Ng (2005) these share possession of a colour pattern with reddish tints and dark brown head markings, elongate head, slightly compressed body, 61-77 lateral line scales and dorsal-fin origin placed in advance of pelvic-fin origin.

Most records pertain to the Mekong River basin downstream of the Khone waterfalls in Laos and Cambodia, but this species is also known from some smaller river drainages in southern Thailand, including parts of the Mae Klong system. Type locality is 'Khlong Fit at Ban Kraduk Chang, road 3157 from Trat to borai, about 2-3 kilometers after junction w...

This species appears is rare in the aquarium hobby with the majority of images both online and in the published literature instead depicting H. confuzona or H. parclitella. All three are members of the H. ocellata 'group' within the genus which currently contains H. ocellata, H. bilineata, H. confuzona, H. orthogoniata, H. ogilviei and H. parclitella. Following Tan and Ng (2005) these share possession of...

The genus Homalopteroides was revalidated by Randall and Page (2012) and is told apart from the related Homaloptera by the following character combination: dorsal-fin origin above pelvic-fin; ≤ 60 lateral-line scales; ≤ 30 predorsal scales; oral morphology consisting of two thin and widely separated rostral barbels on each side of the mouth, thin crescent-shaped lips, the absence of any structure such as a mental pad or lobes between the lateral portions of the lower lip, and a chin that extends anterior to the lateral portions of the lower lip.

Described from close to the village of Ban Khiri Wong, Nakhon Si Thammarat Province, southern (peninsular) Thailand but since recorded throughout much of the country, including the Chao Phraya and Mekong river systems. It's also known from Peninsular Malaysia and parts of the Mekong basin in Laos, Cambodia and Vietnam. Rainboth (1996) considered it 'probably the commonest member of the genus in the Mekong' and in a 2008 study of balitorid habitats in centra...

Tan (2009) redescribed H. stephensoni and it possesses the following unique character set: sub-inferior mouth with thin barbels; five principle, 12-13 secondary pectoral fin rays (usually 12); scaleless belly; pattern of keeled scales on anterior, dorsal portion of body consisting of a single central keel in the posterior third of each scale; 43-50 lateral line...

Also known as the bullseye, solar, eclipse or golden red-tailed catfish, this species is relatively common in the trade. Unfortunately, it's a victim of some rather misplaced marketing, as it's often sold as being suitable for the general community tank found in homes worldwide. The majority of specimens seen for sale measure only 2-3", which only serves to make the situation worse. Obviously, given its adult size it's totally unsuitable for this kind of setup, but makes a fi...

The genus is monotypic and distinguished from other cyprinid taxa by a combination of a moderately compressed, elongated body with two rows of teeth on the lower pharyngeal (throat) bone and lacking barbles, visible lateral line and a symphyseal knob on the lower jaw (Talwar & Jhingran, 1991). Its small adult size evolved via a process known as miniaturisation characterised by sexually mature adults with a significantly reduced size of less than 20 mm SL. Among bony fishes cyprinids are one of the few groups in which this phenomenon occurs repeatedly...

For many years this species has (and still is) imported as Pelteobagrus ornatus. It was assigned to the new genus Hyalobagrus, and discovered to be a distinct species, during a taxonomic revision of the Bagridae family in 1998. The other 2 species which were also thought to be P. ornatus are H. leiacanthus and H. ornatus. Apparently these two are imported rarely, if ever. Unlike the vast majority of catfish, H. flavus is a diurnal species, and spends much of its time swimming in shoals in m...

H. inspector can be told apart from other described species in the genus by the following combination of characters: colour pattern comprising brown to black base with large whitish to yellow spots; adpressed dorsal-fin not reaching the adipose-fin spine; spots on head much smaller than on rest of body; spots in the upper caudal-fin lobe combining to form bands in adults; 24 plates in the mid-ventral series.