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Acropomatiformes (Oceanic basses) >
Creediidae (Sandburrowers)
Etymology: Crystallodytes: Latin, cristallum = ice + Greek, dytes = that likes to dive (Ref. 45335); cookei: Named for the malacologist Charles Montague Cooke.
Eponymy: Dr Charles Montague Cooke Jr (1874–1948) was a malacologist at the Bishop Museum, Hawaii and Curator of the snail collection (1902–1948). [...] (Ref. 128868), visit book page.
More on author: Fowler.
Περιβάλλον: περιβάλλον / κλιματική ζώνη / εύρος βάθους / εύρος διανομής
Οικολογία
Θαλασσινό(ά) βενθικό(ς); εύρος βάθους 0 - 15 m (Ref. 86689). Tropical
Eastern Central Pacific: endemic to Hawaii (Ref. 36656).
Μέγεθος / Βάρος / Ηλικία
Γεννητική Ωρίμανση: Lm ?  range ? - ? cm
Max length : 5.9 cm SL αρσενικό/απροσδιόριστο; (Ref. 40891)
Μαλακές ραχιαίες ακτίνες (συνολικά) : 36 - 39; Μαλακές εδρικές ακτίνες: 34 - 38. This species is distinguished by the following characters: D 36-39; A 34-38; pectoral rays 10-11; pelvic rays I,5; caudal-fin rays branched; scales only along the lateral line; lateral line descending gradually from the upper end of the gill opening to the lower edge of caudal peduncle, 54-57 pored scales; body depth 12.6-15.0 in SL; a series of cirri on the side of the lower lip; origin of anal fins below 4th or 5th ray of the dorsal fin; colouration - whitish to pale gray with 11-12 edged, yellow brown spots dorsally on body which appear as short triangular bars when viewed from the side, the side of the body usually has a narrow blackish stripe, radiating from eye are narrow brown bars (Ref. 86689).
Body shape (shape guide): elongated; Cross section: oval.
Found in sand along shores exposed to wave action or in the spur and groove zone. Feeds on chironomid insects (56%), amphipods Amphilocus menehune, Cymadusa hawaiiensis, Grammaropsis atlantica, and unidentified gastropod (Ref. 86689).
Κύκλος ζωής και συμπεριφορά ζευγαρώματος
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Randall, J.E., 2007. Reef and shore fishes of the Hawaiian Islands. Sea Grant College Program, University of Hawai'i, Honolulu. i-xivb + 1-546. (Ref. 86689)
Κατάσταση Κόκκινου Καταλόγου IUCN (Ref. 130435: Version 2025-2 (Global))
Απειλή για τον άνθρωπο
Harmless
Ανθρώπινες χρήσεις
Εργαλεία
Ειδικές εκθέσεις
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Διαδικτυακές πηγές
Εκτιμήσεις βάσει μοντέλων
Δείκτης φυλογενετικής ποικιλότητας (Αναφ.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Ευπάθεια στην αλιεία (Ref.
59153): Low vulnerability (10 of 100).
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