|
UPPER RIGHT: Two common hydroids in rockpools around Sydney. Both are members of the Leptomedusae with the polyps protected by hydrothecal cups. The triangular structures in right colony are the cups protecting individual polyps.
|
www.seaslugforum.net/factsheet/hydroids
www.seaslugforum.net/factsheet/hydroids
|
|
|
Hydroids - Wikipedia, the free encyclopedia
ZOOLOGY: A hydroid in zoology is an animal that superficially appears plant-like. Hydroids are however carnivorous animals that feed on minute crustaceans. Hydroids are related to jellyfish, sea anemo...
en.wikipedia.org/wiki/Hydroids
|
|
Update on REMUS 100 transportation approval. The U.S. Department of Transportation (DOT) issued Hydroid a written extension to permit Please contact Customer Service at 508-563-6565 with any questions. ... Hydroid wins contract from Teledyne Brown Engineering for a Launch & Recovery System (LARS) to be used on U.S.
|
www.hydroidinc.com/
www.hydroidinc.com/
|
|
|
|
This article by Ron Shimek is on hydroids, Aquarium Net has numerous articles written by the leading authors for the advanced aquarist ... The common names for hydrozoans include hydroids, fire corals, and hydrocorals, but siphonophores, such as the Portuguese Man o' War are also members of this group.
|
www.reefs.org/library/aquarium_net/1097/1097_2.html
|
|
|
Hydroids are abundant on most submerged surfaces but most are small and easily overlooked. They possess powerful stinging cells and are a primary cause of skin irritation when swimmers contact the reef, seaweed, pilings, floating docks, lines, or debris.
|
www.marinelifephotography.com/marine/cnidaria/hydroids....
www.marinelifephotography.com/marine/cnidaria/hydroids.htm
|
|
Hydroids live all over the world ... Hydroids live in all water habitats, from sea caves to deep-sea trenches, from lakes and ponds to rocky coasts and between grains of sand. ... The medusae of hydroids prey on the eggs and larvae of fish that people need for food. Some hydroids are used for scientific research.
|
animals.jrank.org/pages/1486/Hydroids-Hydrozoa.html
animals.jrank.org/pages/1486/Hydroids-Hydrozoa.html
|
|
Distribution and Life History: Hydroids are small, mostly colonial animals in the cnidarian Class Hydrozoa. About 200 species have been identified in Alaska (O'Clair and O'Clair, 1998). The species encountered on the NMFS trawl survey have yet to be identified.
|
www.afsc.noaa.gov/groundfish/HAPC/Hydroids_synopsis.htm
www.afsc.noaa.gov/groundfish/HAPC/Hydroids_synopsis.htm
|
|
There are hydroids that lack a colony building polyp stage, while with other specie the medusae stage is lacking. It is the leptomedusae Obelia geniculata depicted above ... The picture depicts an example of what a hydroid colony can look like. It is also possible to see the different stages of the hydroids life cycle.
|
www.vattenkikaren.gu.se/fakta/arter/cnidaria/hydrozoa/o...
www.vattenkikaren.gu.se/fakta/arter/cnidaria/hydrozoa/obellive.html
|
|
Perhaps the best-known hydrozoan, familiar to most students of introductory biology, is Hydra, pictured at left. Hydra never goes through a medusoid stage and spends its entire ... A great many hydrozoans are also colonial. ... Other hydrozoans have developed pelagic (floating) colonies that are often confused with jellyfish,
|
www.ucmp.berkeley.edu/cnidaria/hydrozoa.html
|
|
_on_Aglaophenia_cupressina_(Stinging_hydroid).jpg){kind=link}