Navicula minima
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 2,013
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- Species by county
- Isle of Anglesey
Species recorded in Isle of Anglesey
778 species
Isle of Anglesey — county
Rhoicosphenia abbreviata
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 2,005
Caenis rivulorum
- Group
- Mayflies
- Peak month
- April
- Records since 2000
- 2,004
Encyonema minutum
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 2,002
Mud shrimp
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 2,001
Encyonema silesiacum
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,999
Rock Samphire
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 1,995
Twin-lobed Deerfly
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,993
Helophorus minutus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,958
Large Tiger Hoverfly
- Group
- True flies
- Peak month
- August
- Records since 2000
- 1,933
Oulimnius tuberculatus
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 1,909
Early Needle Fly
- Group
- Stoneflies
- Peak month
- April
- Records since 2000
- 1,872
Siphona geniculata
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,852
Navicula cryptotenella
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,848
Northern House Mosquito
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,791
Field Digger Wasp
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 1,763
Sea Purslane
- Group
- Flowering plants
- Peak month
- October
- Records since 2000
- 1,735
Alainites muticus
- Group
- Mayflies
- Peak month
- April
- Records since 2000
- 1,727
Blunt-flowered Rush
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 1,718
Mottled dingy-brown click beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,696
Fragilaria gracilis
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,679
Ochthebius minimus
- Group
- Beetles
- Peak month
- April
- Records since 2000
- 1,655
Sea Sandwort
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 1,645
Gracile Sheet-web Weaver
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 1,627
Empis livida
- Group
- True flies
- Peak month
- June
- Records since 2000
- 1,605
Black-grass
- Group
- Flowering plants
- Peak month
- October
- Records since 2000
- 1,597
Sea Rocket
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 1,596
Pointed Snail
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 1,568
Common European Whirligig Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 1,564
Heart-leaved Spear-moss
- Group
- Mosses
- Peak month
- June
- Records since 2000
- 1,548
Bog Pimpernel
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,537
Seaside Grimmia
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,537
Great snail-leech
- Group
- Worms (annelids)
- Peak month
- September
- Records since 2000
- 1,516
Hesperocorixa linnaei
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 1,508
Cocconeis lineata
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,505
Chrysogaster hirtella
- Group
- True flies
- Peak month
- June
- Records since 2000
- 1,499
Rainbow Greenclock Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,479
Bloodworm
- Group
- Worms (annelids)
- Peak month
- April
- Records since 2000
- 1,437
Common Sea-lavender
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,415
Navicula tripunctata
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,396
Common Wolf Spider
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 1,390
Lychnis
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,373
Willow Fly
- Group
- Stoneflies
- Peak month
- April
- Records since 2000
- 1,342
Sarcophaga nigriventris
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,253
Navicula cryptocephala
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,248
Gomphonema olivaceoides
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 1,219
Nitzschia paleacea
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,219
Marram Weevil
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,174