Aleutians East

Ecosystem Overview

The Aleutians East ecosystem supports 50 documented wildlife species across 48 taxonomic genera. Located in Aleutians East, Alaska, this area provides critical habitat with diverse natural communities. The location hosts 11 frequently observed species and 9 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Unimak Island, Aleutians East hosts 0% more species diversity. This location ranks #1 for species diversity among 5 Aleutians East County natural areas, placing it in the 80th percentile for biodiversity.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 5 locations

Species Distribution

Very Common11 species

Common15 species

Occasional15 species

Rare9 species

Regional Context

Regional Ranking

#1 of 5 locations

80th percentile for diversity

vs. Unimak Island

+0% 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 50 total documented species.

Cyanea ferruginea

Very Common3 obs.

Chrysaora melanaster

brown giant jellyfish

Very Common2 obs.

Saxidomus gigantea

Very Common2 obs.

Pycnopodia helianthoides

Sunflower Sea Star

Very Common2 obs.

Dermasterias imbricata

Very Common2 obs.

Enteroctopus dofleini

Giant North Pacific octopus

Common1 obs.

Aequorea victoria

crystal jelly

Common1 obs.

Pentidotea wosnesenskii

Common1 obs.

Mitrocoma cellularia

cross jellyfish

Common1 obs.

Chirolophis nugator

Ornamented blenny

Common1 obs.

Elassochirus gilli

Common1 obs.

Strongylocentrotus droebachiensis

green sea urchin

Occasional1 obs.

No image

Hemilepidotus jordani

Yellow Irish lord

Occasional1 obs.

Hermissenda crassicornis

hermissenda

Occasional1 obs.

Katharina tunicata

Occasional1 obs.

Fusitriton oregonensis

Oregon triton

Occasional1 obs.

Pandalus danae

Occasional1 obs.

Hemilepidotus hemilepidotus

Red Irish lord

Rare1 obs.

Telmessus cheiragonus

helmet crab

Rare1 obs.

Semibalanus cariosus

Rare1 obs.

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Most Common Species

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Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Aleutians East. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

Species Count

+733%

vs. Regional Average

Compared to 4 nearby locations in Aleutians East County, Alaska

Nearby Natural Areas

Akutan Island

Importance: 0.33

8 species

+525% vs. current

Unga Island

Importance: 0.19

12 species

+317% vs. current

Nagai Island

Importance: 0.18

2 species

+2400% vs. current

Popof Island

Importance: 0.14

1 species

+4900% vs. current

About This Comparison

These comparisons are based on documented wildlife observations from citizen science data. Locations with higher species counts may have more observation activity, different habitat types, or larger coverage areas. Regional rankings help identify biodiversity hotspots and unique natural areas within Aleutians East County.

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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Regional Comparison

Regional Ranking

Species Count

+733%

vs. Regional Average

Compared to 4 nearby locations in Aleutians East County, Alaska

Nearby Natural Areas

Akutan Island

Importance: 0.33

8 species

+525% vs. current

Unga Island

Importance: 0.19

12 species

+317% vs. current

Nagai Island

Importance: 0.18

2 species

+2400% vs. current

Popof Island

Importance: 0.14

1 species

+4900% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 5 locations

Species Distribution

Very Common11 species

Common15 species

Occasional15 species

Rare9 species

Regional Context

Regional Ranking

#1 of 5 locations

80th percentile for diversity

vs. Unimak Island

+0% species diversity

Most Common Species

Showing 20 most frequently observed species out of 50 total documented species.

Cyanea ferruginea

Very Common3 obs.

Chrysaora melanaster

brown giant jellyfish

Very Common2 obs.

Saxidomus gigantea

Very Common2 obs.

Pycnopodia helianthoides

Sunflower Sea Star

Very Common2 obs.

Dermasterias imbricata

Very Common2 obs.

Enteroctopus dofleini

Giant North Pacific octopus

Common1 obs.

Aequorea victoria

crystal jelly

Common1 obs.

Pentidotea wosnesenskii

Common1 obs.

Mitrocoma cellularia

cross jellyfish

Common1 obs.

Chirolophis nugator

Ornamented blenny

Common1 obs.

Elassochirus gilli

Common1 obs.

Strongylocentrotus droebachiensis

green sea urchin

Occasional1 obs.

No image

Hemilepidotus jordani

Yellow Irish lord

Occasional1 obs.

Hermissenda crassicornis

hermissenda

Occasional1 obs.

Katharina tunicata

Occasional1 obs.

Fusitriton oregonensis

Oregon triton

Occasional1 obs.

Pandalus danae

Occasional1 obs.

Hemilepidotus hemilepidotus

Red Irish lord

Rare1 obs.

Telmessus cheiragonus

helmet crab

Rare1 obs.

Semibalanus cariosus

Rare1 obs.

Want the Complete Field Guide?

Get all 50 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.