Results for “description”

Unfortunately, precise diagnostic characters cannot currently be provided since we’ve been unable to obtain the type description, and little has been Characters said to separate it from species such as C. ambiacus, C. agassizii, C. brevirostris, C. ephippifer, and C. melanistius include a combination of relatively elongated snout, dark spots on body fading in adults, dark anterior dorsal-fin patch extending to upper extremity of fin, and presence of spots in the caudal-fin.

C. incolicana was the first recipient of a 'C' number (see below) in 1993 and was described the same year. Unfortunately its description was published in an aquarium hobbyist magazine, and we have been unable to obtain a copy to date meaning its diagnosis is unavailable. It is therefore difficult to identify accurately, not least because its type locality is in a relatively remote area, and there exist a number of superficially similar Corydoras species or populations in the aquarium trade.

Prior to description C. kanei was assigned the 'C' numbers C026 and C046. Among congeners it is most easily-confused with, and sometimes traded as, C. atropersonatus, but can be identified by presence (vs. absence in C. atropersonatus) of dark markings in the anal and caudal fins, presence of numerous, smaller (vs. fewer, larger) dark spots on the body, and an overall darker (vs. paler) base colouration.

Unfortunately diagnostic characters cannot be provided since we have been unable to obtain the type description to date, and little else has been written about this species. There is also confusion regarding whether C. lamberti, the unidentified 'C009', and similar-looking fish collected close to Iquitos are conspecific or not. We include all together here until these issues are resolved.

Prior to the description of C. gibberosa in 2003 the genus Cyphotilapia was considered monotypic for almost a century. Members are separated from other cichlid taxa inhabiting Lake Tanganyika by possession of a hump on the forehead and broad vertical bands on the body, although the latter tend not to be visible in large males.

This species has not appeared in the ornamental fish trade to date though has been maintained by a handful of private collectors and enthusiasts. It was known for some years prior to description and identified as Badis dario (as Dario dario was known at the time) but is actually much closer to D. hysginon.

This species was referred to as Dario sp. ‘Jaintia Hills’ or D. sp. ‘Bangladesh’ prior to its description. Type locality is 'India, Meghalaya, Jaintia Hills, Seinphoh stream at Umolong, 7 km from Jowai town, 25°31’36’’N 92°08’27’’E, 1320 m asl', and in India it has not been found elsewhere to date.

D. exclamatio should also have a sub-terminal mouth and lack dorsal-fin filaments but some specimens possess a terminal mouth and/or possess dorsal filaments, and one specimen also had black caudal-fin tips as typically seen in D. filamentosa, whereas the description states that the fin tips are only dusky and lack distinctive markings.

Described from Manipur state, northeastern India and also known from neighbouring Nagaland state. In the original description Hora refers to it as 'widely-distributed' in the region but during an assessment conducted by the IUCN in 2010 it was recorded only from a handful of localities and restricted to an area of less than 15,000 square kilometres. Most habitats lie within the Manipur river basin, including the tributary Iril and Khuga drainages, and the Di...

This species was available in the aquarium hobby for a number of years prior to publication of the official description and was generally referred to as A. sp. 'Namak' or A. sp. 'Namak River'. It can be distinguished from other members of the genus by the following combination of characters: 10–12 anal-fin rays; 28–32 lateral line scales, 10–13 caudal peduncle scales; 8–10 gill rakers; 12–19, commonly 1...

The Iranian Plateau is home to a diverse group of Aphanius with four species already described and several awaiting description. These are among the most ancient in the genus having divereged away from a common ancestor around 20 - 24 million years ago. Among them this species is most closely related to A. sophiae from the Kor River system but can be distinguished by differences in patterning. Males of A. sophiae lack the characteristic darkcolouration seen in A. vladykovi and females possess a ...

Prior to its description, G. rotundinasus was considered to represent the congener G. gravleyi, but the latter is now accepted to occur only in the Salween and Manipur river basins. These two are separated from all other Garra species in China and Southeast Asia by possession of a weakly-devel...

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 is also traded as 'blue flame', 'blue-red', and 'Colombian red fin' tetra, and was misidentified as H. ecuadorensis for several years prior to its description. Within the genus it appears to be most closely related to the Costa Rica endemic H. savagei Bussing, 1967 but differs in a number of characters as fol...

This little-known, relict species possesses some unique morphological and behavioural traits when compared with its congeners and the genus Kosswigichthys was erected for it in the original description. It has a much more elongate body profile than other Aphanius spp., almost total absence of scalation on the body and three rows of conical (as opposed to tricuspid in all other species) teeth which set it apart. Work by Franz and Villwock in the 1970s revealed it to be a member of Aphanius and showed ...

This species was known as L. sp. 'Buckelkopf' in the aquarium hobby prior to publication of its official description. It's distinguished from all congeners by possessing 7-8 dorsal-fin rays (vs. 9–10 in L. dorsigera, L. fulvipinnis and L. thayeri, 8–9 in L. curviceps and L. flamannellus, and 9–11 in L. flavilabris).

Superficially similar to L. tientainensis but according to the formal description can be separated by a combination of characters including: more deeply-forked caudal-fin (shortest central rays fit 2.6-2.9 times in the outer rays vs. 1.7-2.5 times); significantly smaller eye (fits 26 times in head length vs. 10 times); caudal-fin with 1-2 dark bands at lateral edges v...

This species has been referred to the genera Poecilobrycon and Nannobrycon in the past and in the aquarium hobby is also known as 'rocket', 'brown', 'brown-tailed', 'diptail', or 'tubemouth' pencilfish.It's a popular aquarium fish and has an interesting oblique swimming-style, a behavioural trait shared only with N. unifasciatus among congeners. In the original description the colour pattern is given by Steindachner as a brown lateral stripe exte...

This species is frequently misidentified as Nemachilichthys rueppelli (Sykes, 1839) but that species was described from close to Pune in Maharashtra state, well over 500 km north of Shimoga. Further, in his description of N. rueppeli Sykes states that the body colour is 'greenish yellow' and 'the lateral line marked with short dark bars'. Narayan Rao described the colour pattern of...

This species continues to be mislabelled as O. melastigma, a name currently considered invalid by the majority of recent workers, or O. javanicus, a valid but distinct taxon. Roberts (1998) demonstrated that MClelland's description of Aplocheilus melastigmus, later renamed O. melastigma, does not correspond with any known Oryzias species from the Indian subcontinent or Myanmar since it's said to have a dark spot in the dorsal-fin and an excessively slim body, among other anomalies.