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Cherax snowden, a new species of crayfish (Crustacea, Decapoda, Parastacidae) from the Kepala Burung (Vogelkop) Peninsula in Irian Jaya (West Papua), Indonesia.

Lukhaup C, Panteleit J, Schrimpf A - Zookeys (2015)

Bottom Line: A new species, Cherax snowden sp. n., from the Oinsok River Drainage, Sawiat District in the central part of the Kepala Burung (Vogelkop) Peninsula, West Papua, Indonesia, is described, figured and compared with the closest related species, Cherax holthuisi Lukhaup & Pekny, 2006.This species is collected and exported for ornamental purposes and its commercial name in the pet trade is "orange tip" or "green orange tip".Both species may be easily distinguished morphologically or by using sequence divergence, which is substantial, for considering Cherax snowden sp. n. to be a new species.

View Article: PubMed Central - HTML - PubMed

Affiliation: Waldstrasse 5a, 66999 Hinterweidenthal, Germany.

ABSTRACT
A new species, Cherax snowden sp. n., from the Oinsok River Drainage, Sawiat District in the central part of the Kepala Burung (Vogelkop) Peninsula, West Papua, Indonesia, is described, figured and compared with the closest related species, Cherax holthuisi Lukhaup & Pekny, 2006. This species is collected and exported for ornamental purposes and its commercial name in the pet trade is "orange tip" or "green orange tip". Both species may be easily distinguished morphologically or by using sequence divergence, which is substantial, for considering Cherax snowden sp. n. to be a new species.

No MeSH data available.


Related in: MedlinePlus

Cheraxsnowden sp. n. A paratype male (MZB Cru 4292) from Oinsok River drainage, Sawiat District B male from aquarium import (not listed in material examined) from Indonesia C Paratype female (MZB Cru 4293) from a unnamed tributary of the Oinsok River drainage.
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Figure 1: Cheraxsnowden sp. n. A paratype male (MZB Cru 4292) from Oinsok River drainage, Sawiat District B male from aquarium import (not listed in material examined) from Indonesia C Paratype female (MZB Cru 4293) from a unnamed tributary of the Oinsok River drainage.

Mentions: The crayfish of the island of New Guinea were extensively studied by Holthuis (1949, 1956, 1958, 1982, 1986, 1996), with additions by Lukhaup and Pekny (2006, 2008a), Lukhaup and Herbert (2008), Lukhaup (2015), and Patoka et al. (2015). Nevertheless, over the last decade, there has been an increasing number of colourful crayfish, presumed to be a further undescribed species, sold from New Guinea in the ornamental fish trade in Europe and Asia under the names Cherax “orange tip”, and “green orange tip” (Lukhaup and Pekny 2008b, 2014). These have been exported to some countries in Europe, East Asia and America. Among the most common and popular colour forms are: (1) green, orange and yellow morph with orange tips (Fig. 1A–B); and (2) a greenish orange morph (Fig. 1C). While they are clearly species of Cherax, a large genus of freshwater crayfish occurring in Indonesia (West Papua), Papua New Guinea and Australia, their exact provenances could not be ascertained, with dealers claiming they came from Ajamaru (West Papua) and other places in the area that could not be confirmed. In the present contribution, this species is described as new to science and it is established that it is in fact native to the Oinsok River Drainage, Sawiat District of the Kepala Burung (Vogelkop) Peninsula, West Papua, Indonesia. The new species, Cheraxsnowden, differs from all other crayfish of this genus in the shape of its rostrum, shape of body and chelae and also in its colouration. Cheraxsnowden sp. n. is genetically and morphologically most similar to Cheraxholthuisi, collected from the Kais River Drainage and Aitinjo Lake, Irian Jaya, Indonesia (Lukhaup and Pekny 2006).


Cherax snowden, a new species of crayfish (Crustacea, Decapoda, Parastacidae) from the Kepala Burung (Vogelkop) Peninsula in Irian Jaya (West Papua), Indonesia.

Lukhaup C, Panteleit J, Schrimpf A - Zookeys (2015)

Cheraxsnowden sp. n. A paratype male (MZB Cru 4292) from Oinsok River drainage, Sawiat District B male from aquarium import (not listed in material examined) from Indonesia C Paratype female (MZB Cru 4293) from a unnamed tributary of the Oinsok River drainage.
© Copyright Policy - creative-commons-attribution
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4591594&req=5

Figure 1: Cheraxsnowden sp. n. A paratype male (MZB Cru 4292) from Oinsok River drainage, Sawiat District B male from aquarium import (not listed in material examined) from Indonesia C Paratype female (MZB Cru 4293) from a unnamed tributary of the Oinsok River drainage.
Mentions: The crayfish of the island of New Guinea were extensively studied by Holthuis (1949, 1956, 1958, 1982, 1986, 1996), with additions by Lukhaup and Pekny (2006, 2008a), Lukhaup and Herbert (2008), Lukhaup (2015), and Patoka et al. (2015). Nevertheless, over the last decade, there has been an increasing number of colourful crayfish, presumed to be a further undescribed species, sold from New Guinea in the ornamental fish trade in Europe and Asia under the names Cherax “orange tip”, and “green orange tip” (Lukhaup and Pekny 2008b, 2014). These have been exported to some countries in Europe, East Asia and America. Among the most common and popular colour forms are: (1) green, orange and yellow morph with orange tips (Fig. 1A–B); and (2) a greenish orange morph (Fig. 1C). While they are clearly species of Cherax, a large genus of freshwater crayfish occurring in Indonesia (West Papua), Papua New Guinea and Australia, their exact provenances could not be ascertained, with dealers claiming they came from Ajamaru (West Papua) and other places in the area that could not be confirmed. In the present contribution, this species is described as new to science and it is established that it is in fact native to the Oinsok River Drainage, Sawiat District of the Kepala Burung (Vogelkop) Peninsula, West Papua, Indonesia. The new species, Cheraxsnowden, differs from all other crayfish of this genus in the shape of its rostrum, shape of body and chelae and also in its colouration. Cheraxsnowden sp. n. is genetically and morphologically most similar to Cheraxholthuisi, collected from the Kais River Drainage and Aitinjo Lake, Irian Jaya, Indonesia (Lukhaup and Pekny 2006).

Bottom Line: A new species, Cherax snowden sp. n., from the Oinsok River Drainage, Sawiat District in the central part of the Kepala Burung (Vogelkop) Peninsula, West Papua, Indonesia, is described, figured and compared with the closest related species, Cherax holthuisi Lukhaup & Pekny, 2006.This species is collected and exported for ornamental purposes and its commercial name in the pet trade is "orange tip" or "green orange tip".Both species may be easily distinguished morphologically or by using sequence divergence, which is substantial, for considering Cherax snowden sp. n. to be a new species.

View Article: PubMed Central - HTML - PubMed

Affiliation: Waldstrasse 5a, 66999 Hinterweidenthal, Germany.

ABSTRACT
A new species, Cherax snowden sp. n., from the Oinsok River Drainage, Sawiat District in the central part of the Kepala Burung (Vogelkop) Peninsula, West Papua, Indonesia, is described, figured and compared with the closest related species, Cherax holthuisi Lukhaup & Pekny, 2006. This species is collected and exported for ornamental purposes and its commercial name in the pet trade is "orange tip" or "green orange tip". Both species may be easily distinguished morphologically or by using sequence divergence, which is substantial, for considering Cherax snowden sp. n. to be a new species.

No MeSH data available.


Related in: MedlinePlus