Biodiversity among luminescent symbionts from squid of the genera Uroteuthis, Loliolus and Euprymna (Mollusca: Cephalopoda)

Biodiversity among luminescent symbionts from squid of the genera Uroteuthis, Loliolus and Euprymna (Mollusca: Cephalopoda).

Luminescent bacteria in the family Vibrionaceae (Bacteria: γ-Proteobacteria) are commonly found in complex, bilobed light organs of sepiolid and loliginid squids. Although morphology of these organs in both families of squid is similar, the species of bacteria that inhabit each host has yet to be verified. We utilized sequences of 16S ribosomal RNA, luciferase α-subunit (luxA) and the glycerald...

Bacterial symbionts induce host organ morphogenesis during early postembryonic development of the squid Euprymna scolopes.

The mutualistic association between the squid Euprymna scolopes and the bacterium Vibrio fischeri is an emerging experimental system for the study of the influence of bacteria on animal development. Taking advantage of the ability to raise both this host and its microbial partner independently under laboratory conditions, we describe the effects of bacterial interactions on morphogenesis of the...

The first record of bobtail squid, Euprymna hyllebergi Nateewathana, 1997 (Cephalopoda:Sepiolidae) from the Persian Gulf, Iran

The first record of bobtail squid, Euprymna hyllebergi Nateewathana, 1997 (Cephalopoda:Sepiolidae) from the Persian Gulf, Iran

Octopus tetricus (Mollusca: Cephalopoda) as an ecosystem engineer ; Octopus tetricus (Mollusca: Cephalopoda) como ingeniero de ecosistemas

The Sydney octopus (Octopus tetricus) occurs in unusual numbers on a shell bed of its prey remains that have accumulated as an extended midden where additional octopuses excavate dens. Here, O tetricus are ecosystem engineers, organisms that modulate availability of resources to other species and to their own species by causing physical state changes in materials. A community of invertebrate gr...