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Pseudogramma axelrodi Allen and Robertson, 1995
AXELRODS REEF-BASS
Life   Vertebrata   Fish   Serranidae   Pseudogramma

Pseudogramma axelrodi
© Copyright Ross Robertson, 2006 · 12
Pseudogramma axelrodi

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Overview
Main identification features
  • short wide flap over eye
  • body: brown + pale blotches
  • pectoral: 17-18
Axelrod's reef-bass

Robust, compressed body; head bluntly rounded profile; upper edge of eye with short, broad-based flap; mouth slightly oblique, reaches past rear of eye; dense band of simple teeth on each jaw; preoperculum with thick spine at upper angel, no serrations; gill opening restricted above by fusion of operculum to body, a flap extending back from upper operculum to beyond pectoral base; 15 rakers on 1st gill arch; dorsal VII(rarely VI),21-22, spines low, fin base long, end of soft part rounded; anal III,17-18, long base, end of soft part rounded; pectoral 17-18 rays, rounded; pelvic I,5, inserted under pectoral base; lateral line in 2 parts, with 35-36 & 18-23 scales on front and rear sections; scales smooth on head & front body, grading into rough posteriorly; inner 1/2s of dorsal, anal & pectoral covered with scales.

Brown overall, tan below; side of body with numerous large pale brown blotches; a large, prominent ocellated dark blotch on upper operculum; 2 dark lines run back and from lower half of eye across cheek; dorsal, tail, anal, and pelvic fins dark; pectorals translucent brown; juvenile uniformly brown body, tan head, diagonal white bar across cheek, vertical white bar under eye

Size: 8.5 cm.

Habitat: coral reef, cryptic.

Depth: 10-100 m.

Endemic to Clipperton.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 100 m.
Depth Range Min: 10 m.
Diet: bony fishes; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=11; Southern limit=11; Western limit=-110; Eastern limit=-110; Latitudinal range=1; Longitudinal range=1.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Reef Associated.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Corals; Reef associated (reef + edges-water column & soft bottom); Reef (rock &/or coral); Reef only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 8.5 cm.
Regional Endemism: Island (s) only; Island (s); TEP endemic; TEP oceanic island (s) endemic; Clipperton Island endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • Allen , G.R. and Robertson, D.R., 1995., 'Pseudogramma axelrodi', A new Species of Serranid Fish from the Tropical Eastern Pacific Ocean., Tropical Fish Hobbyist, 44:72-75.
  • Allen , G.R. and Robertson, D.R., 1997., An Annotated Checklist of the fishes of Clipperton Atoll, Tropical Eastern Pacific., Revista de Biologia Tropical, 45:813-843.
  • Robertson , D.R. and Allen, G.A., 1996., Zoogeography of the shorefish fauna of Clipperton Atoll., Coral Reefs, 15:121-131.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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Pseudogramma axelrodi
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Genus + Species (e.g. Gadus morhua)

Pseudogramma axelrodi Allen & Robertson , 1995

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Picture by Robertson, R.

Classification / Names Common names | Synonyms | Catalog of Fishes( genus , species ) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Perciformes/Serranoidei (Groupers) > Grammistidae (Soapfishes)
Etymology: Pseudogramma: Greek, pseudes = false + Greek, gramma = letter, signal (Ref. 45335 ) ;   axelrodi: Named for Dr. Herbert R. Axelrod, founder and chairman of T.F.H. Publications and Publisher of Tropical Fish Hobbyist. .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; depth range 15 - 100 m (Ref. 27020 ). Tropical

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

Eastern Pacific: Clipperton Islands.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 6.1 cm SL male/unsexed; (Ref. 27020 )

Short description Morphology | Morphometrics

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 20-22; Anal spines : 3; Anal soft rays : 17 - 18; Vertebrae : 26. Live specimens brown, including fins; body covered with numerous large tan blotches. Upper part of operculum with a prominent eye-sized ocellated dark brown spot; two dark brown lines radiating backward from lower half of eye across the cheek, and a vertical white bar below the eye. Lateral line scales + 4-23 when counting pored as well as the tubed scales. Longitudinal scale series 49-51. A short, broad-based, triangular, dermal flap dorsally on eye. A large pore in interorbital space on each side close to the edge of the orbit; a small median pore posterior in interorbital space. Tubular anterior nostril when laid back reach slightly more than half distance to posterior nostril.

Biology     Glossary (e.g. epibenthic)

A cryptic species found in crevices and caves on the outer reef slope at 15-30 m; collected with rotenone (Ref. 81033 ). Minimum depth from Ref. 58018.

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

Main reference Upload your references | References | Coordinator | Collaborators

Randall, J.E. and C.C. Baldwin , 1997. Revision of the serranid fishes of the subtribe Pseudogrammina , with descriptions of five new species. Indo-Pac. Fish. (26):56 p. (Ref. 27020 )

IUCN Red List Status (Ref. 130435 )

  Near Threatened (NT)  ; Date assessed: 03 May 2008

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





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AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes : genus , species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome , nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go , Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01148 (0.00451 - 0.02922), b=3.06 (2.84 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  3.6   ±0.5 se; based on size and trophs of closest relatives Fishing Vulnerability (Ref. 59153 ):  Low vulnerability (10 of 100).

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Updated: 2024-04-27 03:40:27 gmt
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