March 19th, 2013 — 11:09am
This species is largely unsuitable for the home aquarium given its eventual size and natural behaviour, and we know of only a handful of private aquarists with the facilities required to house it long-term.
Nonetheless juveniles and subadults are sometimes available in the trade although often misidentified as the congener B. maculata.
Comment » | Category: Characiformes, The Rest
March 19th, 2013 — 9:03am
Both species also possesses a broader dark midlateral stripe on the body which tends to be more well-defined in B. lateristriga than in B. maculata.
Colour pattern in B. maculata varies considerably with some specimens noticeably paler than others, for example, and the the broad midlateral stripe usually less intense in such individuals.
This does not app…
Comment » | Category: Characiformes, The Rest
Striped Pike 'Characin'
March 18th, 2013 — 4:54pm
Boulengerella differs from Ctenolucia, the only other genus currently contained in the family Ctenolucidae, by a series of derived features including possession of 87-124 (vs. 45-50) lateral line scales, presence of a strongly (vs. weakly) developed fleshy appendage at the tip of the snout and absence (vs. presence) of fleshy flaps on the lower jaw.
Within the order Characiformes the family Ctenoluciidae is also distinguished by a set o…
Comment » | Category: Characiformes, The Rest
March 18th, 2013 — 12:29pm
It’s known by various vernacular names including ‘Pirá-pacu’, ‘Pira-pucu’ or ‘Diente de cao’ (central Amazon), ‘Bicuda’ or ‘Uena’ (rio Tocantins), ‘Bicuda’ (rio Tapajós), ‘Aguejeta’ or ‘Picua’ (Venezuela), and ‘Moruwi’ or ‘Pirapoko’ (Guyana).
The entire dorsal-fin base is located anteriorly to a vertical through the anal-fin origin and this character distinguishes it from all other ctenolucids except B. lucius and B. xyrekes.
Comment » | Category: Characiformes, The Rest
March 13th, 2013 — 11:13pm
This species is rare in the aquarium trade but is arguably more suitable for the home aquarium than some of its better-known relatives given its adult size and relatively docile behaviour.
Other vernacular names include ‘Dientón’ (Peru), ‘Perrito’ (Ecuador), ‘Payara-chata’ or ‘Payarin’ (Venezuela) and ‘Icanga’, ‘Minguilista’ or ‘Peice-cachorro’ (Brazil), some of which are also applied to related species.
Comment » | Category: Characiformes, The Rest
March 13th, 2013 — 4:36pm
Vernacular names in Brazil include ‘Cachorra’ or ‘Pirandirá’, although these are also applied to congeners.
It can be told apart from all congeners by the following combination of characters: head and body silvery with dark dorsal surface; an elongate dark blotch posterior to the opercle; dorsal, caudal and anal-fin rays reddish to orange proximally with some individual variation in intensity and tonality; adipose fin dark, with diffuse black pigmentation.
Comment » | Category: Characiformes, The Rest
Payara
March 13th, 2013 — 11:51am
H. armatus should probably not be considered a home aquarium subject at all given its eventual size and migratory natural behaviour.
Unfortunately, juveniles are seen for sale quite regularly, most often without adequate information regarding their long-term care, and it’s common to see them being maintained in medium-sized aquaria with no possibility of achieving their potential.
2 comments » | Category: Characiformes, The Rest
Striped Barracuda Tetra, Zweistreifen Hundssalmler (DE)
March 13th, 2012 — 1:26pm
This species is a member of the putative A. nasutus group of closely-related species within the genus alongside A. nasutus, A. maculipinna and A. isalineae.
These are all characterised by possession of two dark, longitudinal stripes, one running from the tip of the snout to the base and the other from the posterior edge of the lower maxilla to the underside of the caudal peduncle.
1 comment » | Category: Characiformes, The Rest
Pantanal Barracuda Tetra
March 13th, 2012 — 1:26pm
An obligate piscivore capable of consuming surprisingly surprisingly large prey.
Newly-imported specimens may refuse to accept anything but live fishes although most can be weaned onto dead alternatives once they recognise them as edible, and some even learn to accept dried foods-
Like the vast majority of predatory fishes this specie…
Comment » | Category: Characiformes, The Rest
Big-Eyed Cachorro
March 13th, 2012 — 1:26pm
This species is a member of the putative A. nasutus group of closely-related species within the genus alongside A. nasutus, A. maculipinna and A. isalineae.
These are characterised by possession of two dark, longitudinal stripes, one running from the tip of the snout to the base and the other from the posterior edge of the lower maxilla to the underside of the caudal peduncle.
Comment » | Category: Characiformes, The Rest
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