Divers who become punctured by a spine typically experience skin irritation and inflammation until the spine is removed. [traveltips.usatoday.com]

Effects ranging from mild to severe pain, and local inflammation, redness, joint-pain and swelling may occur after touching a toxic sponge. [leisurepro.com]

After the initial treatment of above, if skin inflammation is noted then hydrocortisone type creams may be applied 2- to times daily to relieve itching Discontinue immediately if any signs of infection appear. [emedicinehealth.com]

Sponges – Rinse and dry, lift spikes with adhesive tape, apply a topical corticosteroid to reduce inflammation, and take an antihistamine. Coral – Remove embedded coral by rinsing with seawater or a scrub brush and apply a topical antibiotic. [iamat.org]

Possible inflammation, extending to swollen lymph glands areas. Symptoms may continue for weeks or months especially if spines are left in the wound. Sea Snakes There are 87 species of sea snakes classified in two categories. [nativeplanet.org]

It is wet and slippery down there and a fall could mean injury to you and the animals. Also, many of the animals are not easy to see so look closely. Look more, touch less. [nps.gov]

The ANC of a healthy individual falls in the range of 2,500 to 6,000 per microliter. A total blood count gives the levels of the three types of blood cells - white blood cells, red blood cells, and platelets. [news-medical.net]

[…] unattach & let hydra float Hydra also move by somersaulting (tentacles bend over to bottom as basal disk pulls free) Tentacles pull food into gastrovascular cavity where enzymes digest it Reproduce asexually by budding during warm weather & sexually in the fall [biologyjunction.com]

Most of the injuries divers receive fall into one of three basic categories: stings/envenomations, irritations and bites. [scubadiving.com]

Drinking alcohol and/or falling asleep in the sun can be very risky. Always wear sun screen. But if you do get burned: Drink water or juice to replace fluids you lost while sweating in the hot sun. [baymedical.org]

[…] sponge) using adhesive tape; use a facial peel, if the face is affected Try to identify or locate the marine animal (only if safely possible) and keep the medical personnel informed DO NOT give anything orally to the individual Unless directed by the physician [dovemed.com]

More information on marine injuries FAQ Marine Life Injuries – Divers Alert Network (DAN) Poisoning, Envenomation, and Trauma from Marine Creatures – American Family Physician By Tullia Marcolongo and Daphne Hendsbee. [iamat.org]

Hand injuries from sea urchin spines AUTHOR: Strauss MB; MacDonald RI SOURCE: Clin Orthop 1976 Jan-Feb;(114):216-8 ABSTRACT: Sea urchin spine injury is usually a benign process that rarely comes to the attention of a physician. [scuba-doc.com]

If the rash becomes persistent and problematic, the physician may prescribe oral corticosteroids. [dtmag.com]

Definition Venomous marine animal bites or stings may cause skin irritation, rash or a puncture wound. [healthschool.blogspot.com]

If you are keeping live Stony Corals, boring (as in digging, not yawning) species of Sponges of the genera Cliona (pictured, Cliona delatrix, the Red Boring Sponge; and Variable Boring Sponge, Siphonodictyon coralliphagum (3's) are definitely out. [wetwebmedia.com]

Boring Sponge Cliona spp. ( yawn ) Boring Sponges typically grow on mollusk shells, such as Oysters. While not parasitic, they do eat away at the shell, causing stress and sometimes death for the mollusk. [njscuba.net]

Photo IMSI Clubbed Finger Coral (Porites porites) The clubbed finger coral is a common species throughout the coral reefs of the Caribbean and the Gulf of Mexico. The polyps have long flower-like tentacles that grow in thick clumps. [seasky.org]

Some of the common ones are sea pens, blue corals, sea fans, staghorn corals, clubbed finger corals, and soft corals. Certain corals depend on the algae for food while others feed on the plankton from the seawater. [differencebetween.net]

Waste is regurgitated through the same opening. The tentacles sting zooplankton or fish that pass too close, and the anemone swallows its prey whole. Most anemones cannot sting humans with any noticeable effect. [njscuba.net]

Signs and symptoms of ciguatera fish poisoning may be misdiagnosed as decompression sickness or contact Dermatitis from unseen fire coral or jellyfish. [snorkelstj.com]

In addition to these distinctive features, the velvet swimming crab can also be recognised by its bright red eyes and the blue lines on its legs and claws. [marinet.org.uk]

The complications that may arise from a Sea Sponge Irritation may include: Anaphylaxis type allergic reaction Severe itching that lasts many days Bleeding and skin ulceration can cause secondary bacterial or fungal infections to develop Protracted healing [dovemed.com]

The smallest cut, if left untreated, can become ulcerous. Watch for secondary infections indicated by the presence of a red and tender area surrounding the cut. Prevention Extreme care should be used when swimming/diving near coral. [snorkelstj.com]

Incidences of coral envenomation can result in ulcer development and become exceedingly painful, even so severe that it becomes disabling to the individual, although recovery usually occurs. This is something to consider regarding tank maintenance. [advancedaquarist.com]

When hunting the cuttlefish sends shimmering waves of colour along its body to distract or confuse its prey. A hermit crab in its second-hand shell Catlin Seaview Survey 3. [nhm.ac.uk]

Floating along above the reef on our coral surveys here in Tonga, we are occasionally distracted by flashes of bright colors crawling along the reef. These bright colors come from a group of sea slugs called nudibranchs. [livingoceansfoundation.org]

The cuttlefish has the ability to produce a powerful jet of water which enables it to move rapidly backwards should it need to escape danger and, when doing so, it will also release a cloud of black ink which will hang in the water and thus distract its [marinet.org.uk]

The nematocyst is fired either by the tentacle touching something, or in some cases by a nerve impulse from the animal telling it to fire. [oceanicresearch.org]

Cnidarians use a nerve net and very basic receptors for impulses to move. Oxygen is taken in directly from the water through the tissues. [marinebio.org]

& medusa MEDUSA POLYP Polyp forms are usually sessile with upright tentacles arranged around the mouth at the top and with a thin layer of mesoglea Polyps are the asexual stage Corals, hydra, & sea anemones exist in the polyp form as adults CORAL POLYPS [biologyjunction.com]

Cnidarians with a polyp body include sea anemones, coral, and hydra. The medusa is a free-swimming, reverse version of the polyp. The polyp is anchored with its mouth and tentacles facing up. [shmoop.com]

[…] and medusa. include how the methods of reproduction differ polyps reproduces asexually and does budding while medusa reproduce sexually. medusa has tentacles underneath while polyp has tentacles on top. medusa is free swimming while polyp attaches to [quizlet.com]

Each coral polyp is like an anemone in a stony cup. Many corals are colonial ( as are some anemones ) sharing a single merged body among many polyps. The live colony, with extended polyps, is pictured above; the skeleton below. Polyps extended. [njscuba.net]

It has rounded, bubble-like polyp vesicles that expand during the day. These bubbles are used to collect light, which is essential for the coral's growth. At night, the polyp tentacles expand for feeding. [seasky.org]