This video showcases various species of hinge-beak shrimps (Rhynchocinetidae), all cohabiting under the same small ledge.
The initial species featured in this underwater videoclip can be identified as a yet-to-be-described species, currently recognised as Rhynchocinetes sp.1. It bears a resemblance to the Durban Hinge-beak Shrimp (Rhynchocinetes durbanensis) but differs from this species due to the presence of a black spot on the lump in the middle of the abdominal segments. Unfortunately, the second shrimp seen towards the end of the video, with its dotted pattern, could not be conclusively identified.
This unidentified hinge-beak shrimp shares striking similarities with two known species: Rhynchocinetes serratus, commonly known as the Serrated Hinge-back Shrimp, and Rhynchocinetes typus, also known as the Rabbitnose Shrimp. Both of these species are native to the southern Pacific Ocean and are not known to be present in the Mascareignes islands (Réunion, Mauritius, and Rodrigues). This beautifully spotted hinge-beak shrimp is likely still awaiting classification and naming. Any suggestions?
All members of this family bear white markings (spots, flecks, lines, and stripes) on a reddish background and have a lump on the back of their abdominal segments, along with an upward-hinged rostrum.
Hinge-beak shrimps prefer to conceal themselves under ledges and in small overhangs. Unless you, as a scuba diver, take the time to inspect these hollow structures thoroughly, there's a chance that you might miss them. They often form aggregations ranging from a few individuals to huge groups.
Hinge-beak shrimps are believed to be carnivores and scavengers, feeding on a variety of small gastropods, sponges, and detritus. Shrimps, in general, play a vital role in maintaining the health of the reef; some serve as an important food source for fish, some live symbiotically with invertebrates, and others act as cleaners by removing parasites from fishes.
The little resident goby is a Goldenspot Goby (Fusiogobius aureus), measuring only 2.5cm/1inch in length.
Although film is a visual media, sounds do play an important role. With the right type of music a video can be given an extra dimension. Music also produces important sensations; in this case it generates a good mood and gives the interested viewer a positive feeling.
While film is primarily a visual experience, the role of sounds, including music, should not be underestimated. Music can add an additional layer or dimension to a video, enhancing the overall viewing experience.
The mention of the "right type of music" emphasises that the choice of music is crucial. The selection should complement the visuals and contribute to the intended mood or atmosphere of the video. When paired appropriately, music has the power to evoke emotions and create a specific ambiance, influencing the audience's perception and engagement.
Music can also produce important sensations, particularly in terms of generating a positive mood. By creating a positive atmosphere, the music contributes to capturing the viewer's interest and fostering a favourable impression.
The musical choice for this underwater videoclip was obvious; the movements of the shrimps feet in combination with the near motionless body reminded me of traditional Irish music and folk dance, a step dance commonly mislabeled as “river-dance”.
This short underwater videoclip has been filmed in Mauritius 🇲🇺
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For more information about the little Goldenspot Goby please visit vlog post number 164 or click following link: https://www.beyondscuba.com/post/goldenspot-goby-fusiogobius-aureus
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