Order:    Syngnathiformes

 

Etymology

•Syngnathiformes means “conjoined-jaws”

 

General

•Order comprises six families and more than 370 species
•Highly modified ray-rinned fish including sea horses, pipefishes, sea dragons, ghost pipefish, trumpetfish, cornetfish, seamoths, snipefish, flutemouths, and other related groups
•Have elongated, narrow, bodies surrounded by a series of bony rings, and small tubular mouths
•Some live among seaweeds and swim vertically to blend in

 

 

 

WE HAVE SEAHORSES IN OUR HEAD!!!
“The hippocampus is found in the temporal lobe below the cerebral cortex. Although we often refer to it in the singular, there are actually two hippocampi—one in each cerebral hemisphere. The term hippocampus comes from the Greek word for seahorse, because when it is removed from the brain, the hippocampus vaguely resembles a seahorse.” (2) 
 
The major differences between the species, besides their physical appearance,

  1. DNA, obviously
  2. Where and how they hold the eggs.
  • Seahorses carry the eggs in a brood pouch.
  • Seadragons carry their eggs on their tales in cup like structures.
  • Pipefish can carry eggs on their tail past the anus while others carry it forward of the anus. Pipefish are separated even more by how they hold their eggs with different skin structures.

Skinner, M 2018 Encyclopedia of Reproduction 2nd Edition. Fig. 4. Evolution of syngnathid fishes. Brood pouch types are shown with increasing complexity within the Urophori and Gastrophori. Modified from Wilson, A.B., Ahnesjö, I., Vincent, A.C., Meyer, A., 2003. The dynamics of male brooding, mating patterns, and sex roles in pipefishes and seahorses (family Syngnathidae). Evolution 57, 1374–1386. https://www.sciencedirect.com/topics/medicine-and-dentistry/apolipoprotein-m dated 14.11.2021
 
In Port Phillip Bay we have two species of seahorses, (maybe 3) all in the (FAMILY: Syngnthidae SUBFAMILY: Hippocampinae) Genus: Hippocampus.
 
Port Phillip Bay has the Big bellied and Short headed Seahorses. There was a third believed to be extinct, however scientists got excited about a photo in 2019 that may have been a photo of the extinct species.
 
How do you tell the difference between seahorses?
 
Mostly by the coronet or the head. Different seahorses have different arrangements of filaments or appendages on their heads. Check out pictures of a big bellied sea horse and pictures a short headed seahorse.
 
Check the obvious differences.
 
Size:   Big bellied seahorses can grow to 30cm and the Short headed seahorse only grows to about 8cm at adult size.'
 
Colour:    Seahorses can change colour depending on habitat. but if you look at the pics attached the short headed seahorses have white dots on the body. 

 

 

 

Family     Aulostomidae                Rafinesque, 1815             Trumpetfish

Family     Centriscidae                  Bonaparte, 1831              Razorfish, Shrimpfish, Snipefish 

Family     Fistulariidae                   Stark, 1828                      Cornetfish

Family     Solenostomidae            Nardo, 1843                      False pipefish, Ghost pipefish, Tubemouth fish

Family     Syngnathidae                Bonaparte, 1831               Seahorses and True Pipefish

 

 

 

 

 

 

 

 

Binomial Name:      Idiotropiscis lumnitzeri  (Kuiter, 2004)

Common Name:     Sydney Pygmy Pipehorse

 

 

 

Top