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Phalloceros caudimaculatus (HENSEL, 1868)

Dusky Millions Fish

May 30th, 2014 — 10:22pm
Elke Weiand

Occurs naturally in Brazil, Paraguay, Uruguay and Argentina with feral populations in Australia, New Zealand, Ethiopia and Malawi which were purportedly introduced for purposes of mosquito control but are now considered invasive.

Following Lucinda (2008) its natural range comprises the Lagoa dos Patos system, lower rio Uruguai, rio Tramandaí, and rio Mampituba in Rio Grande do Sul st…

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Neoheterandria elegans HENN, 1916

Tiger Teddy

May 11th, 2014 — 12:42pm
Barbara Nicca

Endemic to the Río Atrato drainage in Choco and Antioquia departments, northwestern Colombia, where the full extent of its range is somewhat unclear.

Type locality is ‘Río Truandó, a tributary of Lower Río Atrato, Colombia’, and it may be restricted to that system.

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Cyprinodon variegatus LACEPÈDE, 1803

Sheepshead 'Minnow'

October 19th, 2013 — 4:52pm
Chris Martin

Tends to be most common in brackish to hypersaline environments such as coastal salt marshes, lagoons and estuaries.

On San Salvador Island, Bahamas, it appears to be the parent of a species group occurring in sympatry and exploiting diverse but specific resources with some spectacular morphological adaptations.

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Cyprinodon brontotheroides MARTIN & WAINWRIGHT, 2013

Durophage Pupfish

October 19th, 2013 — 4:18pm
Anthony Terceira

Endemic to San Salvador Island in the Bahamas where it’s known from six hypersaline lakes; Crescent Pond, Osprey Lake, Oyster Lake, Little Lake, Wild Dilly Pond and Moon Rock Pond.

Type locality is ‘San Salvador Island, Bahamas: Crescent Pond, 1 km SE of the Gerace Research Centre, lat 24°06’45″N, long 74°27’28″W’.

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Cyprinodon desquamator MARTIN & WAINWRIGHT, 2013

Scale-eating pupfish

October 19th, 2013 — 3:43pm
Anthony Terceira

This species is a specialised lepidophage with approximately 50 % of the diet comprising the scales of other fishes.

Physical adaptations to this behaviour include its elongate body and jaw mechanism permitting a fast biting action.

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Cyprinodon veronicae LOZANO-VILANO & CONTRERAS-BALDERAS, 1993

Charco Palma Pupfish

September 3rd, 2013 — 10:33am
Barbara Nicca

The surrounding area is semi-arid and the Bolsón de Sandia was once a beautiful oasis with a number of springs, abundant vegetation and diverse wildlife but has dried up over the last twenty to thirty years due to indiscriminate water extraction for agriculture and other human uses.

Three endemic species of Cyprinodon, namely C. veronicae, C. longidorsalis and C. ceciliae, have been described from separate springs within the system…

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Cyprinodon pachycephalus MINCKLEY & MINCKLEY, 1986

July 31st, 2013 — 1:06pm
Barbara Nicca

Need not be too complicated so long as there are plenty of broken lines-of-sight.

Provide plenty of cover in the form of aquatic plants, wool mops, etc., and if using filtration air-powered, sponge-type units are best as these will not harm eggs or fry.

Lighting is unimportant but can be use…

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Cyprinodon julimes DE LA MAZA-BENIGNOS & VELA-VALLADORES, 2009

Julimes Pupfish

July 31st, 2013 — 11:57am
Barbara Nicca

El Pandeño de los Pando has a surface area of around 287 m² with depth ranging from 40-80 cm but there is an abandoned artificial channel which has an area of approximately 437 m².

Water temperature fluctuates between 38-48°C/100.4-118.4°F and the spring is considered one of the hottest environments inhabited by fish in the world.

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Cyprinodon alvarezi MILLER, 1976

Potosí Pupfish

July 30th, 2013 — 4:53pm
Barbara Nicca

The type locality originally consisted of a single spring-fed pond located in an endorheic basin known as ‘La Hediondilla’ at the foot of the ‘Cerro Potosí’ mountain and around 1880 m AMSL.

It had been modified to make it larger via an earth and rock dam, and below the pond were several distributaries running for a distance of 1-1.5 km.

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Aphanius arakensis TEIMORI, ESMAEILI, GHOLAMI, ZAREI, & REICHENBACHER, 2012

Arak Tooth Carp

September 14th, 2012 — 10:13am
Barbara Nicca

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…

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