Seahorse Development

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Introduction

Hippocampus (Greek, ippos = horse; kampe = curvature)


Actinopterygii (ray-finned fishes) > Syngnathiformes (Pipefishes and seahorses) > Syngnathidae (Pipefishes and seahorses) > Hippocampinae


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Historic Animals: 1897 Pig | 1900 Chicken | 1901 Lungfish | 1904 Sand Lizard | 1905 Rabbit | 19066 Deer | 1907 Tarsiers | 1908 Human | 1909 Northern Lapwing | 1909 South American and African Lungfish | 1910 Salamander | Embryology History | Historic DisclaimerSeahorse Development

Some Recent Findings

  • Standardised classification of pre-release development in male-brooding pipefish, seahorses, and seadragons (Family Syngnathidae)[1] "We propose a standardised classification of early syngnathid development that extends from the activation of the egg to the release of newborn. The classification consists of four developmental periods - early embryogenesis, eye development, snout formation, and juvenile - which are further divided into 11 stages. Stages are characterised by morphological traits that are easily visible in live and preserved specimens using incident-light microscopy."

Standardised classification of pre-release development in male-brooding pipefish, seahorses, and seadragons (Family Syngnathidae)

BMC Dev Biol. 2012 Dec 29;12:39. doi: 10.1186/1471-213X-12-39.

Sommer S, Whittington CM, Wilson AB. Source Institute of Evolutionary Biology and Environmental Studies, University of Zürich, Winterthurerstrasse 190, Zürich, CH-8057, Switzerland. stefan.sommer@ieu.uzh.ch.

Abstract

BACKGROUND: Members of the family Syngnathidae share a unique reproductive mode termed male pregnancy. Males carry eggs in specialised brooding structures for several weeks and release free-swimming offspring. Here we describe a systematic investigation of pre-release development in syngnathid fishes, reviewing available data for 17 species distributed across the family. This work is complemented by in-depth examinations of the straight-nosed pipefish Nerophis ophidion, the black-striped pipefish Syngnathus abaster, and the potbellied seahorse Hippocampus abdominalis.

RESULTS: We propose a standardised classification of early syngnathid development that extends from the activation of the egg to the release of newborn. The classification consists of four developmental periods - early embryogenesis, eye development, snout formation, and juvenile - which are further divided into 11 stages. Stages are characterised by morphological traits that are easily visible in live and preserved specimens using incident-light microscopy.

CONCLUSIONS: Our classification is derived from examinations of species representing the full range of brooding-structure complexity found in the Syngnathidae, including tail-brooding as well as trunk-brooding species, which represent independent evolutionary lineages. We chose conspicuous common traits as diagnostic features of stages to allow for rapid and consistent staging of embryos and larvae across the entire family. In view of the growing interest in the biology of the Syngnathidae, we believe that the classification proposed here will prove useful for a wide range of studies on the unique reproductive biology of these male-brooding fish.


Common Name - Seahorse

Country Species
Cuba Hippocampus erectus
Malaysia Hippocampus erectus
Malaysia Hippocampus histrix
Malaysia Hippocampus kuda
Malaysia Hippocampus spinosissimus
Malaysia Hippocampus barbouri
Malaysia Hippocampus comes
Azores Islands Hippocampus histrix
Puerto Rico Hippocampus reidi
St Helena Hippocampus erectus
United Kingdom Hippocampus guttulatus

Table data from Fishbase.[2]

References

  1. Stefan Sommer, Camilla M Whittington, Anthony B Wilson Standardised classification of pre-release development in male-brooding pipefish, seahorses, and seadragons (Family Syngnathidae). BMC Dev. Biol.: 2012, 12();39 PMID:23273265 | PMC3541971 | BMC Dev Biol.
  2. Froese, R. and D. Pauly. Editors. 2012. FishBase. World Wide Web electronic publication. www.fishbase.org, version (12/2012).

Reviews

Articles

Kai N Stölting, Anthony B Wilson Male pregnancy in seahorses and pipefish: beyond the mammalian model. Bioessays: 2007, 29(9);884-96 PMID:17691105

A B Wilson, A Vincent, I Ahnesjö, A Meyer Male pregnancy in seahorses and pipefishes (family Syngnathidae): rapid diversification of paternal brood pouch morphology inferred from a molecular phylogeny. J. Hered.: , 92(2);159-66 PMID:11396574


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10 Most Recent

Note - This sub-heading shows an automated computer PubMed search using the listed sub-heading term. References appear in this list based upon the date of the actual page viewing. Therefore the list of references do not reflect any editorial selection of material based on content or relevance. In comparison, references listed on the content page and discussion page (under the publication year sub-headings) do include editorial selection based upon relevance and availability. (More? Pubmed Most Recent)


Syngnathidae Development

Stefan Sommer, Camilla M Whittington, Anthony B Wilson Standardised classification of pre-release development in male-brooding pipefish, seahorses, and seadragons (Family Syngnathidae). BMC Dev. Biol.: 2012, 12();39 PMID:23273265 K L Parkinson, D J Booth, J E Lee Validation of otolith daily increment formation for two temperate syngnathid fishes: the pipefishes Stigmatopora argus and Stigmatopora nigra. J. Fish Biol.: 2012, 80(3);698-704 PMID:22380563 K Kumaravel, S Ravichandran, T Balasubramanian, Leonard Sonneschein Seahorses - a source of traditional medicine. Nat. Prod. Res.: 2012, 26(24);2330-4 PMID:22360853 S K Scobell, D S Mackenzie Reproductive endocrinology of Syngnathidae. J. Fish Biol.: 2011, 78(6);1662-80 PMID:21651522 K B Mobley, C M Small, A G Jones The genetics and genomics of Syngnathidae: pipefishes, seahorses and seadragons. J. Fish Biol.: 2011, 78(6);1624-46 PMID:21651520


Seahorse Development

N Basavaraja, B H Chandrashekhara, Rather Mansoor Ahamad Norethindrone-induced masculinization and progeny testing in guppy, Poecilia reticulata (Peters 1859). Indian J. Exp. Biol.: 2014, 52(3);232-6 PMID:24669666 M Ashiq Ur Rahman, S Ajmal Khan, P S Lyla, K Kadharsha, P Mohan Chander, B Akbar John Length-weight relationship and condition factor of Liza subviridis (Valenciennes, 1836) of Parangipettai waters, southeast coast of India. Pak. J. Biol. Sci.: 2013, 16(7);345-50 PMID:24498802 William Dott, Pratibha Mistry, Jayne Wright, Kelvin Cain, Karl E Herbert Modulation of mitochondrial bioenergetics in a skeletal muscle cell line model of mitochondrial toxicity. Redox Biol: 2014, 2();224-33 PMID:24494197 Haruna Amano, Kazuhiko Mochida, Toshimitsu Onduka, Kazunori Fujii Molecular Cloning and Gene Expression of Mummichog (Fundulus heteroclitus) Runx2 During Embryogenesis. Zool. Sci.: 2013, 30(12);1050-5 PMID:24320183 Angela R D'Amico, Alec W Gibson, Lisa J Bain Embryonic arsenic exposure reduces the number of muscle fibers in killifish (Fundulus heteroclitus). Aquat. Toxicol.: 2014, 146();196-204 PMID:24316437


Pipefish Development

Stefan Sommer, Camilla M Whittington, Anthony B Wilson Standardised classification of pre-release development in male-brooding pipefish, seahorses, and seadragons (Family Syngnathidae). BMC Dev. Biol.: 2012, 12();39 PMID:23273265 Olivia Roth, Verena Klein, Anne Beemelmanns, Jörn P Scharsack, Thorsten B H Reusch Male pregnancy and biparental immune priming. Am. Nat.: 2012, 180(6);802-14 PMID:23149404 K L Parkinson, D J Booth, J E Lee Validation of otolith daily increment formation for two temperate syngnathid fishes: the pipefishes Stigmatopora argus and Stigmatopora nigra. J. Fish Biol.: 2012, 80(3);698-704 PMID:22380563 C Kvarnemo, K B Mobley, C Partridge, A G Jones, I Ahnesjö Evidence of paternal nutrient provisioning to embryos in broad-nosed pipefish Syngnathus typhle. J. Fish Biol.: 2011, 78(6);1725-37 PMID:21651524 Heleen Leysen, Gert Roos, Dominique Adriaens Morphological variation in head shape of pipefishes and seahorses in relation to snout length and developmental growth. J. Morphol.: 2011, 272(10);1259-70 PMID:21630324


Seadragon Development


External Links

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Animal Development: Axolotl | Bat | Cat | Chicken | Cow | Dog | Dolphin | Echidna | Fly | Frog | Grasshopper | Guinea Pig | Hamster | Kangaroo | Koala | Lizard | Medaka | Mouse | Pig | Platypus | Rabbit | Rat | Sea Squirt | Sea Urchin | Sheep | Worm | Zebrafish | Life Cycles | Development Timetable | K12
Historic Animals: 1897 Pig | 1900 Chicken | 1901 Lungfish | 1904 Sand Lizard | 1905 Rabbit | 19066 Deer | 1907 Tarsiers | 1908 Human | 1909 Northern Lapwing | 1909 South American and African Lungfish | 1910 Salamander | Embryology History | Historic Disclaimer


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Cite this page: Hill, M.A. (2014) Embryology Seahorse Development. Retrieved April 23, 2014, from http://embryology.med.unsw.edu.au/embryology/index.php?title=Seahorse_Development

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Dr Mark Hill 2014, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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