Tridacna maxima Size Class 0 view chart Item # Description Price Quantity Stock Status * Due to availability and individuality of each species, colors and sizes may vary. After eight to ten days, the larva metamorphoses into a juvenile clam, at which point it can acquire zooxanthellae and function symbiotically. Category: Corals & Inverts. The maxima clam (Tridacna maxima), also known as the small giant clam, is a species of bivalve mollusc found throughout the Indo-Pacific region. Small giant clam, Tridacna maxima, widely distributed from French Polynesia to East Africa, has faced population declines due to over-exploitation. [2], A sessile mollusc, the small giant clam attaches itself to rocks or dead coral and siphons water through its body, filtering it for phytoplankton, as well as extracting oxygen with its gills. These siphon water through the body to extract oxygen from the water using the gills and to feed on algae. Pac Sci 30:219â233 Google Scholar Kochzius M, Nuryanto A (2008) Strong genetic population structure in the boring giant clam, Tridacna crocea , across the Indo-Malay Archipelago: implications related to evolutionary processes and connectivity. Huelsken, T., Keyse, J., Liggins, L., Penny, S., Treml, E.A., Riginos, C. (2013) A Novel Widespread Cryptic Species and Phylogeographic Patterns within Several Giant Clam Species (Cardiidae: Tridacna) from the Indo-Pacific Ocean. It is found in the oceans surrounding east Africa, India, China, Australia, Southeast Asia, the Red Sea and the islands of the Pacific. However, it does not need to filter-feed as much as other clams since it obtains most of the nutrients it requires from tiny photosynthetic algae known as zooxanthellae. It is an excellent Along their history, they were subjected to human exploitation for different purposes such as consumption of the flesh as a delicacy, or trade of the shells. [2] Maxima produce the color white in their mantle by clustering red, blue and green cells, while individual T. derasa cells are themselves multi-colored. Ellis, S. (1998) Spawning and early larval rearing of giant clams (Bivalvia: Tridacnidae). Tridacna maxima Tweet Description: The giant clam has a symbiotic relationship with phytoplankton called zooxanthellae which reside within it's tissues giving it it's magnificent colours. Media in category "Tridacna maxima" The following 23 files are in this category, out of 23 total. They are much sought after in the aquarium trade, as their often striking coloration mimics that of the true giant clam; however, the maximas maintain a manageable size, with the shells of large specimens typically not exceeding 20 centimetres (7.9 in) in length. Reproduction is stimulated by the lunar cycle, the time of day, and the presence of other eggs and sperm in the water. Description: my maxima clam. They are also used in coral reefs aquarium because of their relatively small size and requirements as well as their bright coloration and filtration capacities. The site colors correspond to the site colors in ⦠Country: United States. COMMON NAMES: Small Giant-Clam, Elongate Giant-Clam, Burrowing Giant-Clam, Rugose Giant-clam TRADITIONAL NAMES: Paâua (RR), PÄâua (MG MT AK), Paua (AT), PÄâuÄ (MK), PÄsua (TS TW), PÄyua (PK NS); COMMENT: Paâua / Pahua is the traditional name for the giant clam and commonly harvested species is Tridacna maxima. The maxima is less than one-third the size of the true giant clam (Tridacna gigas). Description: Tridacna maxima is a clam that is the largest living bivalve mollusk, with the largest coverage area, since it is from East Africa and the Red Sea, through the Indo-Pacific islands and Australia, to Polynesia. While Tridacna crocea is predominantly associated with one algal genus at a time (Symbiodinium, Cladocopium, or, less frequently, Durusdinium), Tridacna squamosa and Tridacna maxima typically harbor multiple genera10, 11 ]. You will want to make sure that your tank is established before adding these clams. This file has no description, and may be lacking other information. These siphon water through the body to extract oxygen from the water using the gills and to feed on algae. They come in an infinite range of colors and patterns. The species occurs in China, Australia, Southeast Asia, the Red Sea, East Africa, India and throughout the Indo-Pacific. [2] The juvenile matures into a male clam after two or three years, becoming a hermaphrodite when larger (at around 15 centimetres in length). It usually occurs in shallow, clear water, high current areas where they are known to form high-density populations. They are native to the Indo-Pacific coral reefs, and are found in deeper waters of 50-65 feet.They prefer a sand bottom instead of rocky surfaces, and do not need as much light as Tridacna maxima in the aquarium. The shell may reach up to 1.5 meters in length. Tridacna maxima has the widest distribution of any Tridacnid species. It is found from the Red Sea, throughout the Indo-Pacific region, to Australia and Polynesia. [2], Beginning life as a tiny fertilised egg, the small giant clam hatches within 12 hours, becoming a free-swimming larva. [2] The maxima is less than one-third the size of the true giant clam (Tridacna gigas). Giant clams are an important ecological component of coral reefs in the Red Sea, as they enhance the reefâs productivity and provide habitat that can increase diversity. Tridacna maxima, commonly known as the âsmall giant clamâ, has remained relatively untargeted by fishers in areas where larger species occur (e.g. Maxima Clams have intense lighting needs so require strong metal halides or LED lighting. Description: The giant clams are the members of the clam genus Tridacna that are the largest living bivalve molluscs. Colour of mantle highly variable. The small giant clam (Tridacna maxima) is a bivalve found from East Africa to the middle of the Pacific and from Japan to South Australia. This larva then develops into another, more developed, larva which is capable of filter-feeding. Description: Tridacna Maxima from Tahiti 7". Description Their colored, patterned mantle are found in such range and variety that aquarists often find it difficult to choose their favorite specimen. Tridacna squamosa), and high densities of ⦠⦠Wells, S.M., Pyle, R.M. They are a rather hearty clam and are moderately hard to keep. Description Squamosa Clams, also known as Scaly Clam or Fluted Clam, will typically reach around 12â (30 cm) in captivity. The maxima clam ( Tridacna maxima ) has the widest range of all the tridacnid clams. Description. A previously presumed ecotype of Tridacna maxima sensu Rosewater (), known in commercial markets as the âtear dropâ T. maxima, has recently been distinguished (Su et al. They are characterized by having 4 to 5 large, inward facing triangular projections of the shell aperture, thick, heavy It usually occurs in shallow, clear water, high current areas where they are known to form high-density populations. Three species of giant clams, namely Tridacna maxima, T We have one of the most beautiful selections of Tridacna Maxima Clams around. Tank Size: 1500 gallons. IUCN, Gland, Switzerland. These scales run parallel from the rim to the bottom of the shell. When open, the bright blue, green or brown mantle is exposed and obscures the edges of the shell which have prominent, distinctive furrows. Please provide a meaningful description of this file. Center for Tropical and Subtropical Aquaculture, 130: 1–55. The attractive colours of the small giant clam are the result of crystalline pigment cells. The Maxima Clam has the widest distribution of any Tridacnid species. [1][4], Found living on the surface of reefs or sand, or partly embedded in coral,[5] the small giant clam occupies well-lit areas, due to its symbiotic relationship with photosynthetic algae, which require sunlight for energy production. Whether living on reef rock, over sand or nestled between corals, T. maxima prefers strongly illuminated habitats. After many years of good care, they may reach sizes of 20-30 cm. Tridacna are relatively easy to care for - especially if introduced into a stable aquarium environment. This mollusc is easy to observe on shallow reefs because of its symbiosis with some dinoflagellates which exhibits bright colorations and ⦠They developed complex behaviours which are not expected from sessile organisms, including mechanisms to avoid predation and photo-sensitivity. Tridacna maxima (Röding, 1798) elongate giant clam Native range | All suitable habitat | Point map | Year 2100 This map was computer-generated and has not yet been reviewed. It is found from the Red Sea, throughout the Indo-Pacific region, to Australia and Polynesia. In some area of their repartition, they are still submitted to exploitation but they are protected by the IUCN. [3], The small giant clam has the widest range of all giant clam species. and Collins, N.M. (1983) The IUCN Invertebrate Red Data Book. They are much sought after in the aquarium trade, as their often striking coloration mimics that ⦠This article incorporates text from the ARKive fact-file "Maxima clam" under the Creative Commons Attribution-ShareAlike 3.0 Unported License and the GFDL. At the third larval stage, a foot develops, allowing the larva to alternately swim and rest on the substrate. Tridacna squamosacan be identified by the large, leaf-like fluted scales on its shell, which are often used as shelter by organisms such as small crabs, clams, and other invertebrates. (a) The five sampling sites of Tridacna maxima for this study along the Saudi Arabian Red Sea coast in the northern (29°âGulf of Aqaba and 27°âDuba), central (22°âThuwal), and southern (20°âAl Lith and 18°âFarasan Banks) Red Sea. Comoros islands are an important biogeographic region due to potential richness of marine species, but no relevant information is available. This image is still accumulating votes. 2014) as Tridacna noae. Jameson SC (1976) Early life history of the giant clams Tridacna crocea Lamarck, Tridacna maxima (Röding), and Hippopus hippopus (Linnaeus). Mitochondrial DNA sequences, distinctive differences in mantle morphology and patterning, and reproductive isolation provide evidence for this division from T. maxima ( Su et al. Physical Description This is the largest living bivalve mollusk. Their colours are caused by refraction, similar to a butterflyâs wings, and they vary drastically with the angle of view. Bivalves have two valves on the mantle. Adults develop a large shell that adheres to the substrate by its byssus, a tuft of long, tough filaments that protrude from a hole next to the hinge. Tridacna maxima is a popular giant clam for reef aquariums. They are found throughout the Indo-Pacific, as far north as southern Japan, as far south as the Great Barrier Reef. Bivalves have two valves on the mantle. Habitat: Coral reef off Komodo, embedded in coral. Fish Popular Name: Maxima Clam. These are thought to protect the clam from the effects of intense sunlight, or bundle light to enhance the algae's photosynthesis. Creative Commons Attribution-ShareAlike 3.0 Unported License, 10.2305/IUCN.UK.1996.RLTS.T22138A9362499.en, "Giant clams could inspire better color displays and solar cells", Stephen D. A. Smith, Growth and population dynamics of the giant clam Tridacna maxima (Röding) at its southern limit of distribution in coastal, subtropical eastern Australia; Molluscan Research 31(1): 37–41; ISSN 1323-5818, https://en.wikipedia.org/w/index.php?title=Maxima_clam&oldid=1013736332, IUCN Red List conservation dependent species, Short description is different from Wikidata, Wikipedia articles incorporating text from ARKive, Creative Commons Attribution-ShareAlike License, This page was last edited on 23 March 2021, at 05:12. The Maxima Clam Tridacna maxima was described by Röding in 1798. Fish Scientific Name: Tridacna Maxima. Hermaphroditic clams release their sperm first followed later by their eggs, thereby avoiding self-fertilisation.[2]. They look brightest when viewed from above. The Maxima Clam and Green Maxima Clam (Tridacna Maxima), also known as the small giant clam, is a species of bivalve mollusc found throughout the Indo-Pacific region. In the west they are found from East Africa and the Red Sea to Pitcairn Island in ⦠about 6 inches ⦠Tridacna gigas is truly the Giant Clam of legend.This species grows rapidly to over 4 feet in length and has been recorded to weigh more than 700lbs! They are typically found in shallow lagoons and reef flats up to a depth of 60 feet. Only the