• Seahorse and Damsel Fish

    The Complete Beginner’s Guide to Seahorse Evolution

    By Tami Weiss | Date posted: 01/10/2014

    When you look at a seahorse, it’s easy to wonder how such a bizarre creature could come to be. The seahorse’s behavior and appearance is so radically different from most other fish that one can’t help but ponder how they … Continue reading

  • Colossal Seahorse

    New Giant Seahorses Discovered; Under-explored Islands Home to Mythological Colossal Seahorses

    By Tami Weiss | Date posted: 04/01/2013

    Marine biologist Dr. Laura Saury, a member of the University of British Columbia-based Seahorse Project marine conservation team, has identified the world’s largest known species of seahorse. Topping out at around 7 feet in length, the Colossal Seahorses are straight out of greek mythology. Continue reading

  • Not So True Facts About The Seahorse

    Not-So-True Facts About The Seahorse

    By Tami Weiss | Date posted: 01/22/2013

    Ze Frank just did a wonderfully funny video “True Facts About The Seahorse”. I love the True Facts videos he’s been doing; especially since they’re mostly true. Mostly. (Seriously, watch this; it’s some funny stuff.) As good as the video … Continue reading

  • Yellow Seahorse

    Year in Review: Seahorses 2012

    By Tami Weiss | Date posted: 12/31/2012

    As the new year looms, I wanted to take a moment to reflect back on the news and research about seahorses and their relatives over the past year. Much has happened, and as interest in these strange fish continues to … Continue reading

  • Biggest and Smallest Seahorse Side-By-Side

    The Biggest Seahorse Vs The Smallest

    By Tami Weiss | Date posted: 07/05/2012

    It’s only been in the past decade that we’ve discovered the ocean is teaming with pygmy seahorses. This is largely because they’re so small, they went undetected for years. The smallest one Hippocampus satomiae, described in 2009 is just a … Continue reading

  • West Atlantic Pygmy Pipehorse

    The Pygmy Pipehorses of Cozumel

    By Tami Weiss | Date posted: 03/20/2012

    One tiny seahorse relative flourishes in the waters of Cozumel, but often goes unnoticed. The West Atlantic Pygmy Pipehorse is a diminutive, slightly bent cousin of the seahorse that rarely grows larger than 2 inches. They hitch like seahorses, but look more like pipefish with mostly straightened bodies. Continue reading

  • Two Seahorses, Hippocampus breviceps, photographed during a dive

    What’s Love Got to Do With It? The Truth About Seahorse Monogamy

    By Tami Weiss | Date posted: 10/04/2010

    “Unlike most other fish, they [seahorses] are monogamous and mate for life.” – National Geographic It’s a theme repeated over and over again in the media and in popular culture. The idea that seahorses are monogamous and mate for life … Continue reading

  • Leafy Seadragon

    Seadragon Fact Sheet

    By Angela Feng | Date posted: 03/07/2010

    Seadragon Facts Habitat: Rocky reefs, seaweed beds, seagrass meadows and structures covered by seaweed and algae. Only found in the waters around Australia. Diet: Mysis shrimp, plankton, small crustatceans and fish Size: 12 inches to 18 inches Species: Two species, … Continue reading

  • Pot Belly Seahorse in the wild

    Seahorse Fact Sheet

    By Angela Feng | Date posted:

    Seahorse Facts Habitat:  Seagrass beds, coral reefs, sheltered lagoons Diet: Mysis shrimp, plankton, small crustatceans and fish Size: 1/2 inch to 14 inches Species: 80+ species, all of the genus Hippocampus Threats:  Habitat Loss, Overfishing from Traditional Chinese Medicine, Overfishing … Continue reading

  • Worm Pipefish

    Pipefish Fact Sheet

    By Angela Feng | Date posted:

    Pipefish Facts Habitat:  Reef, Lagoon, Seagrass, Estuary, River Diet: Mysis shrimp, plankton, small crustatceans, insects, worms and small fish Size: 1 inch to 26inches Species: 200+ species, part of the Syngnathidae family that seahorses belong Threats:  Habitat Loss, Overfishing for … Continue reading

  • Meet the Strange Syngnathiformes

    By Tami Weiss | Date posted: 11/21/2009

    Syngnathiformes is the order of highly-specialized predatory fish known for their unusual appearance and adaptations. The most well known is the seahorse, but all of the syngnathids have similar features: long, narrow bodies that lack rings but are instead have a bony exterior that makes up armor, and small, tubular mouths used for sucking in prey. Continue reading

  • Pygmy Seahorses

    By Angela Feng | Date posted: 08/04/2009

    What is a pygmy seahorse? Pygmy seahorses are part of the genus Hippocampus which all seahorses belong. They are minute seahorse species found through the world, most less than one inch in size. Most species have been discovered within the past 10 years. Since then, they have become one of the most popular creatures for recreational divers to seek out. Continue reading

  • Happy Father’s Day! 10 Seahorse Facts About the Best Dad In the Animal Kingdom.

    By Tami Weiss | Date posted: 06/19/2009

    Seahorses are often referred to as the best dads in the animal kingdom – and for good reason – they’re the only animal where the male gets pregnant! That’s right, it’s the men that take on the joys of childbirth in these equine fishes. Continue reading

  • Seadragon Resources and Papers

    By Administrator | Date posted: 06/01/2009

    More information on leafy seadragons and weedy seadragons. Papers and websites. Continue reading

  • Seahorse Anatomy Male Female

    Seahorse Biology & Anatomy

    By Administrator | Date posted: 07/12/2007

    Seahorses, and their relatives the seadragons and pipefish, all belong to the family Sygnathidae (pronounced sing-nath-I-dee) from the Greek words syn meaning together and gnathus meaning jaw, which describes the tubular, fused snout that is common among relatives of this … Continue reading

  • Fish Stores Say The Darnedest Things: 20 Misconceptions About Seahorses

    By Tami Weiss | Date posted: 06/22/2004

    Seahorses are shrouded in as much fantasy as fact, and much misinformation exists about them. Much of this is perpetuated by ill-informed fish stores, some by the media sensationalizing the almost unreal seahorses. Twenty of the most common misconceptions are addressed here. Continue reading

  • Recognized Hippocampus Species and Common Names

    By Administrator | Date posted:

    There are currently around 40 recognized seahorse species. Seahorses are part of the family Syngnathidae (pronounced sing-nath-i-dee), which means “fused jaw”. All seahorses belong to the genus Hippocampus. Continue reading

  • Pipe Fish

    By Gerald Jennings | Date posted: 03/01/2000

    Members   of the   family   Syngnathidae,   more commonly known as Pipe Fish, can be found throughout the world both in brackish and marine waters. Coldwater species can be found around the British coast and there are seven … Continue reading


Aquarium Care


Foods & Nutrition

  • Seahorse Feeding At Glass Dish

    Frozen Mysis Part 2: The Science Behind the Food

    By Tami Weiss | Date posted: 03/26/2015

    In this long overdue follow-up, we learn why it’s so important to be picky about frozen foods. Protein denaturation, lipid peroxidation and a break down of other important nutrients can have long-term health impacts on our seahorses. Continue reading

  • Thawed frozen mysis

    Frozen Mysis Part 1: The Quest For Quality Food

    By Tami Weiss | Date posted: 05/11/2014

    Feeding seahorses is always a challenge. Finding quality frozen mysis shrimp is just one part of this challenge, but it can be a big one. This guide covers some of the issue faced when purchasing frozen foods for seahorses. Continue reading

  • Copepod detail.

    Foods for Breeding Syngnathids

    By Tami Weiss | Date posted: 09/18/2012

    Seahorses and their syngnathid relatives provide some interesting challenges raising from birth. Although they produce larger young than many marine species, they often ignore foods that have been the standard for raising marine fish. They must be supplied live food … Continue reading

  • Decapsulating Brine Shrimp Eggs

    By Marc Wong | Date posted: 12/17/2009

    Marc Wong of Ventral Fins shows how to decapsulate brine shrimp eggs, leading to better hatch rates and cleaner brine shrimp. Continue reading

  • DIY Brine Shrimp Hatchery

    By Marc Wong | Date posted:

    Special thanks to for giving us permission to republish Marc’s excellent article. Every time someone asks me to to describe to them how to build a brine shrimp hatchery, I have to repeat the same instructions over and over … Continue reading

  • Collecting Shrimp

    By Dave Isaacs | Date posted: 06/24/2009

    Republished from International Reefers with permission. Special thanks to David Isaacs for allowing us to reprint his mysis collecting tips! Editors note: This instructions are specific to the Exe Estuary in England, but will be applicable to most shorelines with … Continue reading

  • Live Food Suppliers

    By Administrator | Date posted: 08/29/2008

    Finding live food for syngnathids can be difficult. Here is a list of mail order and online suppliers wordwide. If you know of any additional suppliers that should be added, please add to the comments below and I’ll add them to this list. Continue reading

  • Seahorse and Pipefish Foods

    By Tami Weiss | Date posted: 06/25/2005

    Seahorses are ambush predators, feeding primarily on crustaceans, mostly shrimp. In their wild state, most seahorses only eat live food. (Although H. capensis is an exception and known to feed on dead food in the wild). In our aquariums, Wild … Continue reading

  • water bubbling in bucket

    Artemia enrichment – How To Enrich Brine Shrimp

    By SRAC | Date posted: 10/01/2000

    Artemia strains differ in size and nutritional quality, particularly in content of highly unsaturated fatty acids (HUFA). In the 1980s researchers found that fish larvae feed strains containing more than 4 percent eicosapentaenoic acid (EPA) 20:5 n-3 yielded significantly better … Continue reading

  • Adult Brine Shrimp

    Raising Brine Shrimp

    By RayJay | Date posted: 10/09/1999

    To date, I haven’t found a simple way to raise Brine Shrimp in dense growing conditions in a short period of time, although I’ve seen many postings claiming to have simple methods that work. Low density growing is fairly easy … Continue reading

Disease and Health

Advanced Care

  • Pygmy Seahorse

    Syngnathid Symposium 2011

    By Tami Weiss | Date posted: 11/12/2011

    The the second Syngnathid Symposium was held the first week in November in Chicago at the Shedd aquarium. 92 delegates from all over the world gathered to discuss current issues with seahorses, sea dragons, pipefish and other syngnathids. Topics discussed … Continue reading

  • Reproductive Husbandry of the Weedy Sea Dragon

    By Kristy L. Forsgren | Date posted: 07/04/2009

    Due to the difficulty and cost associated with maintaining sea dragons in captive environments, reproductive success and rearing of hatchlings has never been documented. During the summer of 2001, two weedy sea dragons became pregnant at the Aquarium of the Pacific. Continue reading

  • Leafy Seadragon, Phycodurus eques

    By Paula Branshaw Carlson | Date posted: 05/29/2009

    The Leafy seadragon, Phycodurus eques, the most ornate member of the family Syngnathidae, has long been known to aquarists as one of the most beautiful and unique of all the fishes. Found only in Southern and Western Australian waters, the Leafy seadragon is a master of camouflage. Named for the dragons of Chinese myth, this relative of the pipefishes and seahorses is named for the leaf-like appendages that adorn its body. Continue reading


  • Seahorse and Diver

    iSeahorse Launches to Track Seahorse Sightings

    By Tami Weiss | Date posted: 10/19/2013

    Project Seahorse launches website and iPhone app to help track sitings of seahorses around the world. If you’re a diver or just spend some time near the ocean, please consider signing up to help gather data about seahorses. Every sighting helps! Continue reading

  • West Atlantic Pygmy Pipehorse

    The Pygmy Pipehorses of Cozumel

    By Tami Weiss | Date posted: 03/20/2012

    One tiny seahorse relative flourishes in the waters of Cozumel, but often goes unnoticed. The West Atlantic Pygmy Pipehorse is a diminutive, slightly bent cousin of the seahorse that rarely grows larger than 2 inches. They hitch like seahorses, but look more like pipefish with mostly straightened bodies. Continue reading

  • Pygmy Seahorse

    Pygmy Seahorses Code of Conduct for Diving & Photographing

    By Tami Weiss | Date posted: 07/05/2011

    Pygmy Seahorse expert Dr. Richard Smith just released a great guideline for divers and photographing pygmy seahorses. Pygmy seahorses, the inch and under relative of the seahorses most people are used to, are beloved by divers around the world, and frequently over-loved and even harassed by divers looking for these diminutive treasures. Continue reading