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#2329 · 🐟 fish

Weedy Seadragon

🇳🇱 Phyllopteryx ·Phyllopteryx taeniolatus

VUvulnerable 🐟 Fish 📍 outside Europe
Weedy Seadragon, photo 1 of 9
1/9 © J. Martin Crossley · CC BY-NC-SA 4.0

what is it?

Common seadragon or weedy seadragon ( Phyllopteryx taeniolatus ) is a marine fish related to the seahorse. Adult common seadragons are a reddish colour, with yellow and purple markings; they have small leaf-like appendages that resemble kelp fronds providing camouflage and a number of short spines for protection. Males have narrower bodies and are darker than females. Seadragons have a long dorsal fin along the back and small pectoral fins on either side of the neck, which provide...

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 4,542iNaturalist observations
  • threat VUvulnerable

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 4,542 observations worldwide on iNaturalist.
  • Scientifically named by Bernard Germain de Lacépède in 1804 (222 years ago).
  • Listed as Vulnerable on the IUCN Red List.

fact sheet

English
Weedy Seadragon
Nederlands
Phyllopteryx
scientific name
Phyllopteryx taeniolatus
class
Actinopterygii
order
Syngnathiformes
family
Syngnathidae
IUCN Red List
VU · vulnerable
sightings in NL
0
sightings worldwide
4,542
GBIF records in NL
0
weight
—
length
—
lifespan
—
named
1804 by Bernard Germain de Lacépède

IUCN in Dutch: kwetsbaar. Blank means the sources don't say.

relatives· Syngnathidae

Sources: iNaturalist taxon 54536, Wikidata Q1120403, GBIF 5200965, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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