United States of America (Necker Island) Wildlife Guide - Wildlife Field Guide

Ecosystem Overview

The United States Of America (necker Island) ecosystem supports 80 documented wildlife species across 41 taxonomic genera. The location hosts 17 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby United States of America (Chirikof Island), United States Of America (necker Island) hosts 167% more species diversity.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Species Distribution

Very Common17 species

Common24 species

Occasional24 species

Rare15 species

Regional Context

vs. United States of America (Chirikof Island)

+167% species diversity

Ecosystem Overview

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Biodiversity Highlights

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Species Distribution

Very Common‌

Common‌

Occasional‌

Rare‌

Regional Context

Regional Ranking

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Most Common Species

Showing 20 most frequently observed species out of 80 total documented species.

Thalassoma duperrey

Saddle Wrasse

Very Common63 obs.

Coris venusta

Elegant Coris

Very Common38 obs.

Acanthurus olivaceus

Gendarme Fish

Very Common32 obs.

Paracirrhites arcatus

Arc Eye

Very Common31 obs.

Acanthurus nigrofuscus

Lavender Tang

Very Common18 obs.

Rhinecanthus rectangulus

Common17 obs.

Plectroglyphidodon imparipennis

Brighteye Damsel

Common16 obs.

Bodianus albotaeniatus

Hawaiian Hogfish

Common16 obs.

Acanthurus triostegus

Surgeonfish

Common14 obs.

Parupeneus multifasciatus

Goatfish

Common13 obs.

Plectroglyphidodon johnstonianus

Widebar Damsel

Common12 obs.

Naso lituratus

Clown Tang

Occasional12 obs.

Stethojulis balteata

Green Wrasse

Occasional12 obs.

Macropharyngodon geoffroy

Potter'S Wrasse

Occasional12 obs.

Naso unicornis

Surgeonfish

Occasional10 obs.

Monotaxis grandoculis

Bigeye Bream

Occasional10 obs.

Centropyge potteri

Potter'S Angel

Occasional8 obs.

No image

Stegastes fasciolatus

Dark Damsel

Rare8 obs.

Canthigaster jactator

White-Spotted Puffer

Rare8 obs.

Zanclus cornutus

Moorish Idol

Rare7 obs.

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Most Common Species

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No comparable locations found in this region.

Regional Comparison

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Regional Ranking

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Species Count

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vs. Regional Average

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Nearby Natural Areas

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About This Comparison

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Favicon Attribution: Graphics from Twemoji by Twitter, Inc and contributors Licensed under CC-BY 4.0: https://creativecommons.org/licenses/by/4.0/ Source: https://github.com/twitter/twemoji

No comparable locations found in this region.

Most Common Species

Showing 20 most frequently observed species out of 80 total documented species.

Thalassoma duperrey

Saddle Wrasse

Very Common63 obs.

Coris venusta

Elegant Coris

Very Common38 obs.

Acanthurus olivaceus

Gendarme Fish

Very Common32 obs.

Paracirrhites arcatus

Arc Eye

Very Common31 obs.

Acanthurus nigrofuscus

Lavender Tang

Very Common18 obs.

Rhinecanthus rectangulus

Common17 obs.

Plectroglyphidodon imparipennis

Brighteye Damsel

Common16 obs.

Bodianus albotaeniatus

Hawaiian Hogfish

Common16 obs.

Acanthurus triostegus

Surgeonfish

Common14 obs.

Parupeneus multifasciatus

Goatfish

Common13 obs.

Plectroglyphidodon johnstonianus

Widebar Damsel

Common12 obs.

Naso lituratus

Clown Tang

Occasional12 obs.

Stethojulis balteata

Green Wrasse

Occasional12 obs.

Macropharyngodon geoffroy

Potter'S Wrasse

Occasional12 obs.

Naso unicornis

Surgeonfish

Occasional10 obs.

Monotaxis grandoculis

Bigeye Bream

Occasional10 obs.

Centropyge potteri

Potter'S Angel

Occasional8 obs.

No image

Stegastes fasciolatus

Dark Damsel

Rare8 obs.

Canthigaster jactator

White-Spotted Puffer

Rare8 obs.

Zanclus cornutus

Moorish Idol

Rare7 obs.

Want the Complete Field Guide?

Get all 80 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.

Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Species Distribution

Very Common17 species

Common24 species

Occasional24 species

Rare15 species

Regional Context

vs. United States of America (Chirikof Island)

+167% species diversity