Syngnathus acus
Date 1877
Source Les poissons; Gervais, H. https://archive.org/details/lespoissonssynon03gerv
Author Gervais et Boulart
Source: https://commons.wikimedia.org/wiki/File:Syngnathus_acus_Gervais.jpg

The greater pipefish (Syngnathus acus) is a pipe-fish of the family Syngnathidae. It is a seawater fish and the type species of the genus Syngnathus. The greater pipefish has a long segmented armoured body, angular in cross section and stretching up 45 cm long with its stiff appearance. The greater pipefishes live all around the British Isles and regularly found in the Mediterranean Sea.

Order: Syngnathiformes
Family: Syngnathidae
Genus: Syngnathus
Species: Syngnathus acus Linnaeus, 1758
Synonyms

Dermatostethus punctipinnis Gill, 1862
Sygnathus acus (Linnaeus, 1758)
Syngnathus alternans Günther, 1870
Syngnathus brachyrhynchus Kaup, 1856
Syngnathus delalandi Kaup, 1856
Syngnathus rubescens Risso, 1810
Typhle heptagonus Rafinesque, 1810