Pseudamia hayashii  Randall, Lachner & Fraser, 1985

Hayashi's cardinalfish
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Pseudamia hayashii   AquaMaps   Data sources: GBIF OBIS
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Pseudamia hayashii
Picture by Malaer, P.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Apogonidae (Cardinalfishes) > Pseudaminae
Etymology: Pseudamia: Greek, pseudes = false + Greek, amia = a kind of shark (Ref. 45335).   More on author: Randall, Lachner.

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

Marine; reef-associated; depth range 2 - 64 m (Ref. 11890).   Tropical; 32°N - 28°S

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

Indo-Pacific: Gulf of Aden to Samoa, north to southern Japan, south to Western Australia.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm TL male/unsexed; (Ref. 48635)

Short description Morphology | Morphometrics

Dorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 2; Anal soft rays: 7 - 8; Vertebrae: 24. Translucent when fresh with a reddish cast, overlaid with iridescence particularly on abdomen and operculum predominated by golden hues; dusky caudal fin with hyaline border; 1st and 2nd dorsal and anal fin pale to dusky or blackish, other fins are clear with pink rays. Anterior nostril without long flap. Rhomboid caudal fin. 23-24 scales in longitudinal series. Gill rakers 4-5+11-13, 1-7 developed. Convex interorbital space. Oblique mouth. Predorsal scales 10 (9-11). This species resembles P. amblyuroptera and P. gelatinosa but has larger scales (LR<=24) (Ref. 37816).

Biology     Glossary (e.g. epibenthic)

Inhabits lagoon and seaward reefs; hides in small caves and under ledges. Solitary and usually seen at night (Ref 90102).

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

Distinct pairing during courtship and spawning (Ref. 205).

Main reference Upload your references | References | Coordinator | Collaborators

Randall, J.E., E.A. Lachner and T.H. Fraser, 1985. Revision of the Indo-Pacific apogonid fish genus Pseudamia, with descriptions of three new species. Indo-Pac. Fish. 6:1-23. (Ref. 526)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 26.2 - 29, mean 27.9 (based on 664 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.5   ±0.50 se; Based on food items.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (11 of 100) .