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Vanderhorstia dawnarnallae Dawn’s Shrimpgoby


Profile

lexID:
12516 
AphiaID:
1388317 
Scientific:
Vanderhorstia dawnarnallae 
German:
Dawn`s Partnergrundel, Dawn`s Wächtergrundel 
English:
Dawn’s Shrimpgoby 
Category:
Gobies 
Family tree:
Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family) > Vanderhorstia (Genus) > dawnarnallae (Species) 
Initial determination:
Allen, Erdmann & Mongdong, 2019 
Occurrence:
Indonesia, West Papua  
Sea depth:
10 - 15 Meter 
Size:
up to 1.57" (4,00 cm) 
Temperature:
78.8 °F - 82.4 °F (26°C - 28°C) 
Food:
Amphipods, Copepods, Crustaceans, Daphnia salina, Invertebrates, Mysis, Zoobenthos, Zooplankton 
Difficulty:
There are no reports available yet that this animal has already been kept in captivity successfully 
Offspring:
Not available as offspring 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Not evaluated (NE) 
Related species at
Catalog of Life:
 
More related species
in this lexicon:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2019-11-05 11:58:43 

Husbandry

Etymology. The new species is named dawnarnallae in honour of Dawn Arnall, who both funded the expedition that led to the discovery of this species and has provided critical support and advice to the Bird’s Head Seascape marine conservation initiative that now protects the habitat of this new species. It is a pleasure and an honor to name this beautiful shrimp goby in recognition of her invaluable support.

Distribution and habitat. The species is currently known only from the type locality, about 80 km southwest of the town of Kaimana, West Papua Province, Indonesia. The habitat consists of a gently sloping bottom with clean white sand and was well-removed (more than 100 m) from reef habitat, in an area exposed to periodic strong currents, at a depth of about 10–20 m. An estimated 20 individuals were observed in an area approximately 30 m2. They were seen mainly in pairs (Figs. 4 & 5), but occasionally solitary, although invariably associated with an unidentified snapping shrimp of the genus Alpheus that share the burrows (Fig. 5), a symbiotic relationship found in all Vanderhorstia spp.Comparisons.

The new species belongs to the ornatissima group of Vanderhorstia, which includes Vanderhorstia ornatissima Smith, 1959 from the western Indian Ocean (Fig. 6A), and two species from the western Pacific region: Vanderhorstia wayag Allen & Erdmann, 2012 (Fig. 6B) and Vanderhorstia phaeosticta (Randall, Shao & Shen, 2007) (Fig. 7). The members of the group possess similar color patterns and usual counts of 13 dorsal-fin and anal-fin rays. Vanderhorstia dawnarnallae differs from V. ornatissima and V. wayag in possessing fewer lateral scales (47–49 vs. 57–65) and also in color pattern, particularly yellow spots on the body (vs. none in the latter two species); the absence of a pair of small dark spots on the upper and lower pectoral-fin base (vs. present); and fewer dark markings (vs. more dark brown or reddish-brown spots on the side of the body).

Source:
Citation: Allen, G.R., Erdmann, M.V. & Mongdong, M.U. (2019)
Vanderhorstia dawnarnallae, a new species of shrimpgoby (Pisces: Gobiidae) from West Papua, Indonesia. Journal of the Ocean Science Foundation
33, 89–98.doi:https://doi.org/10.5281/zenodo.3519384urn:lsid:zoobank.org:pub:4D7A40BB-D0C2-4CBE-8981-A065842D08B1

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