Fungi

A total of 64 species of fungi has been identified around Helgoland.

Botany

The flora in the waters around Helgoland includes 194 species (numbers in parentheses) of phytoplankton (Bacillariophyceae [112] and Dinophyceae [82]) and 274 species of brown, red, and green macroalgae.

Zoology

More than 320 species of the Helgoland zooplankton fauna from 9 caldes have been recorded: Cnidaria (66), Ctenophora (5), Plathelminthes (min. 2), Mollusca (min. 2), Annelida (25), Arthropoda (154), Chaetognatha (min. 3), Echinodermata (8), Chordata (Ascidia [4], Acrania [min. 2] and Vertebrata [52]).

At least 628 zoobenthic species from 13 clades exist around Helgoland: Porifera (25), Cnidaria (54), Nemertini (16), Priapulida (1), Kamptozoa (5), Mollusca (Polyplacophora [2], Gastropoda [86], Bivalvia [44], Cephalopoda [3]), Sipunculida [5], Echiurida [1], Annelida (Polychaeta [139], Oligochaeta [2], Hirudinea [1]), Arthropoda (Chelicerata [10], Crustacea [147], Insecta [3]), Tentaculata (Phoronida [2] und Bryozoa [48]), Echinodermata (16), Chordata (Tunicata [16] and Acrania [min. 2]).

Four species of marine mammals permanently live around Helgoland.

The Helgoland bird live is very diverse. At least 415 species have been observed on the island. Please contact the Helgoland bird sanctury for further ornithological information.