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Plectranthias ahiahiata

Plectranthias ahiahiatais commonly referred to as perchlet genus. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.


Profilbild Urheber ZooKeys

Plectranthiasahiahiata sp. n., holotype shortly after death, 39.95 mm SL (photograph: LA Rocha).


Courtesy of the author ZooKeys

Uploaded by robertbaur.

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lexID:
13049 
AphiaID:
1259086 
Scientific:
Plectranthias ahiahiata 
German:
Zwerg-Fahnenbarsch 
English:
Perchlet Genus 
Category:
Anthias'er 
Family tree:
Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Serranidae (Family) > Plectranthias (Genus) > ahiahiata (Species) 
Initial determination:
Shepherd, Phelps, Pinheiro, Pérez-Matus & Rocha, 2018 
Sea depth:
- 83 Meter 
Size:
bis zu 4cm 
Temperature:
°C - 21,8°C 
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:
2020-06-02 11:17:14 

Info

Plectranthias ahiahiata sp.
a new species of perchlet from a mesophotic ecosystem at Rapa Nui (Easter Island) (Teleostei, Serranidae, Anthiadinae)

A new species of the perchlet genus Plectranthias is herein described from a single specimen found at Rapa Nui (Easter Island) in the South Pacific. Plectranthiasahiahiata sp. n. was collected at a depth of 83 m in a mesophotic coral ecosystem at Rapa Nui. The main difference between Plectranthiasahiahiata and other members of the genus is higher fin-ray counts (X, 18 dorsal; 18 pectoral) and its distinctive coloration. Compared to the three other known eastern South Pacific species, P.ahiahiata has more dorsal-fin rays, more pectoral-fin rays, fewer tubed lateral-line scales, fewer gill rakers, a longer head relative to SL, a very short first dorsal spine relative to SL, and a short third anal spine relative to SL. Plectranthiasahiahiata is distinguished from western Pacific species, by having more dorsal- and pectoral-fin rays. The closest relative based on genetic divergence (with 12.3% uncorrected divergence in the mitochondrial COI gene) is Plectranthiaswinniensis, a widely distributed species, suggesting important links between Rapa Nui and western Pacific islands. This new species adds to the high endemism of the Rapa Nui ichthyofauna, and is further evidence of the importance of mesophotic reefs as unique communities.
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External links

  1. World Register of Marine Species (WoRMS) (en). Abgerufen am 19.08.2020.
  2. Zookeys / Pensoft (en). Abgerufen am 19.08.2020.

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