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Paracheilinus walton  Allen & Erdmann, 2006

Walton's flasherwrasse
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Paracheilinus walton   AquaMaps   Data sources: GBIF OBIS
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Labridae (Wrasses)
Etymology: Paracheilinus: Greek, para = the side of + Greek, chaite = hair + Greek, odous = teeth (Ref. 45335);  walton: Named for the Walton Family Foundation; noun in apposition.

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 18 - 45 m (Ref. 90102).   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Pacific: Indonesia.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.1 cm SL male/unsexed; (Ref. 75887); 3.9 cm SL (female)

Short description Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 11; Anal spines: 3; Anal soft rays: 9. This species is distinct in having the following characters: pored lateral-line scales 15 + 5; gill rakers 13-14; body depth 3.0-3.4 in SL; dorsal soft rays 3-4, of males prolonged as relatively broad filaments that curve posteriorly when erected during courtship; strongly lunate caudal fin; pelvic fins in males 1.7-1.9 in HL and females 2.3 in HL; color of males overall orange-red with 4 sky-blue stripes on upper two-thirds of side and trio of similar narrow stripes/bands on head; courting males with white dorsal fin, contrasting strongly with adjacent zone of intense red (black when viewed underwater) along upper back; anal fin mainly yellow orange, its margin bright blue; caudal fin with broad blue horizontal streaks, margin pale; pelvic fins yellow orange, bright blue anterior margin (Ref. 75887).

Biology     Glossary (e.g. epibenthic)

The area of collection (type locality) has a flat, low profile bottom at the base of a gentle (approximately 30°) slope at 34 m depth; substrate consisted of a dense mixture of spindly, branched Seriatopora hystrix coral (Pocilloporidae) and Halimeda alga. Numerous groups of this species were observed, each containing about 1-3 males and up to about 20 females. Courtship activities were common with males continuously 'flashing' a short distance above the bottom (Ref. 75887).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous, distinct pairing during breeding (Ref. 205).

Main reference Upload your references | References | Coordinator : Westneat, Mark | Collaborators

Allen, G.R. and M.V. Erdmann, 2006. Paracheilinus walton, a new species of flasherwrasse (Perciformes: Labridae) from Papua, Indonesia with a key to the species of Paracheilinus. Aqua Int. J. Ichthyol. 12(1):11-18. (Ref. 75887)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




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BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00466 - 0.02049), b=3.05 (2.87 - 3.23), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .