Pacific Rim Divers Limited

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Pacific Rim Divers Limited Daily SCUBA diving, snorkel and Manta charters on the Kona Coast. Join our naturalist team for an amazing day on our custom dive boat Boundless.

Small group Scuba diving at it's best. Slow tour means long bottom times and a look beyond the usual. Naturalist guides will point out interesting behaviors and animals. Learn about and explore Hawaii's reef and it's inhabitants at an unhurried pace. Manta Ray night dives 2 times weekly and daily 2 tank morning charters give lots of opportunity to see the best Kona diving has to offer.

Dragon Wrasse (Juvenile Rockmover Wrasse) — Novaculichthys taeniourus — HinaleaA juvenile dragon wrasse found at the Big...
11/03/2026

Dragon Wrasse (Juvenile Rockmover Wrasse) — Novaculichthys taeniourus — Hinalea

A juvenile dragon wrasse found at the Big Arch / Lone Tree dive site in Kona. The dragon wrasse is the juvenile stage of the rockmover wrasse, a species found throughout the Indo-Pacific. Juveniles have long trailing fin extensions and often resemble drifting algae, while adults develop a heavier body and use their snouts to search for prey among rocks and rubble. This species feeds on crustaceans, mollusks, and other small invertebrates.

Fun fact:
Adult rockmover wrasses are known for flipping over coral rubble and small rocks while foraging. This behavior is the source of their common adult name.

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Indigo Dartfish — Ptereleotris evides — No Known Hawaiian NameAn indigo dartfish found at the Big Arch / Lone Tree dive ...
11/01/2026

Indigo Dartfish — Ptereleotris evides — No Known Hawaiian Name

An indigo dartfish found at the Big Arch / Lone Tree dive site in Kona. This species is often seen hovering above sandy areas and reef slopes, ready to retreat into a burrow or crevice if threatened. Indigo dartfish feed on zooplankton carried by the current and are commonly found in pairs or small groups above the reef.

Fun fact:
Dartfish maintain a bolt-hole nearby at all times. When startled, they can disappear into shelter in an instant and may return to the same spot moments later.

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Two-Spot Lizardfish — Synodus binotatus — 'UlaeA two-spot lizardfish found at the Turtle Heaven dive site in Kona. This ...
10/31/2026

Two-Spot Lizardfish — Synodus binotatus — 'Ulae

A two-spot lizardfish found at the Turtle Heaven dive site in Kona. This species is commonly seen resting on sand, rubble, or low reef structure, where it waits for prey to pass within range. The two dark spots near the tail help distinguish it from other lizardfish found in Hawaiian waters. Like other members of the family, it feeds on small fishes and crustaceans using a rapid ambush strike.

Fun fact:
Lizardfish can remain motionless for long periods while watching their surroundings. When prey approaches, they launch forward with surprising speed and can capture it in a fraction of a second.

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Violet-Gilled Hypselodoris — Hypselodoris violabranchia — No Known Hawaiian NameA Hypselodoris violabranchia nudibranch ...
10/30/2026

Violet-Gilled Hypselodoris — Hypselodoris violabranchia — No Known Hawaiian Name

A Hypselodoris violabranchia nudibranch found at the Carpenter’s House dive site in Kona. This dorid nudibranch is identified by its pale body, colored markings, and violet-tinted gills. Like many species in the genus Hypselodoris, it feeds on sponges and stores chemical compounds from its diet that help deter predators. The rhinophores on the head are used to detect chemical cues in the surrounding water.

Fun fact:
Nudibranchs are simultaneous hermaphrodites, meaning each individual has both male and female reproductive organs. When two nudibranchs mate, both can exchange s***m and later lay eggs.

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Marbled Shrimp — Saron marmoratus — No Known Hawaiian NameA marbled shrimp found at the Turtle Heaven dive site in Kona....
10/29/2026

Marbled Shrimp — Saron marmoratus — No Known Hawaiian Name

A marbled shrimp found at the Turtle Heaven dive site in Kona. This species is found throughout the Indo-Pacific and is often seen hiding in crevices, beneath ledges, or among coral during the day. Saron marmoratus feeds on algae, detritus, and small invertebrates, emerging more actively at night to forage across the reef.

Fun fact:
The marbled shrimp can vary considerably in color and pattern. Individuals may appear green, brown, red, or mottled depending on their surroundings, making them difficult to spot on the reef.

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Hawaiian Swimming Crab — Goniosupradens hawaiensis — Pāpaʻi HoloholoA Hawaiian swimming crab found at the Carpenter’s Ho...
10/28/2026

Hawaiian Swimming Crab — Goniosupradens hawaiensis — Pāpaʻi Holoholo

A Hawaiian swimming crab found at the Carpenter’s House dive site in Kona. This species is found on reef flats, rubble, and sandy areas throughout Hawaiʻi. Pāpaʻi Holoholo belongs to the swimming crab family and uses flattened rear legs as paddles to move through the water. It feeds on small invertebrates, carrion, and other food it finds while searching the reef.

Fun fact:
When disturbed, Hawaiian swimming crabs can quickly bury themselves in the sand, often disappearing completely in just a few seconds.

Pāpaʻi is the Hawaiian word for crab, and holoholo means to travel or move about, an appropriate name for one of Hawaiʻi’s swimming crabs.

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Gloomy Nudibranch — Tambja morosa — No Known Hawaiian NameA gloomy nudibranch found at the Turtle Heaven dive site in Ko...
10/27/2026

Gloomy Nudibranch — Tambja morosa — No Known Hawaiian Name

A gloomy nudibranch found at the Turtle Heaven dive site in Kona. Tambja morosa is a member of the polycerid nudibranch group and is recognized by its dark body and contrasting markings. Like many nudibranchs, it feeds on specific prey, including bryozoans and other colonial organisms found on the reef. The rhinophores on its head detect chemical cues in the water, helping it locate food and potential mates.

Fun fact:
Nudibranchs are highly selective feeders. Many species eat only one or a few types of prey, which is why finding a particular nudibranch often means its preferred food source is nearby.

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Shortnose Wrasse - Macropharyngodon geoffroyA shortnose wrasse found at the Carpenter’s House dive site in Kona. This sp...
10/26/2026

Shortnose Wrasse - Macropharyngodon geoffroy

A shortnose wrasse found at the Carpenter’s House dive site in Kona. This species is endemic to Hawaiʻi and is commonly seen foraging over reef rubble and coral heads for small crustaceans and other invertebrates. Juveniles and adults can look quite different, and the species is known for burying itself in the sand when resting or avoiding predators.

Fun fact:
Shortnose wrasses disappear into the sand at night, where they remain hidden until morning. This behavior helps protect them from nighttime predators.

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09/19/2026

White‑margin Nudibranch

Common name: White‑margin Nudibranch
Scientific name: Glossodoris rufomarginata
Hawaiian name: No documented name

Video of a White‑margin Nudibranch at the Carpenters House dive site in Kona. This species lives on coral and rocky reef surfaces and feeds on specific sponges. Individuals move slowly using a muscular foot and show mantle movements that help them sense water flow. The species occurs across the Indo‑Pacific, including Hawaiʻi.

🧠 Fun fact: Many Glossodoris nudibranchs release distasteful chemicals from mantle glands when disturbed, a defense gained from the sponges they eat.

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09/17/2026

Gosline’s Fangblenny

Common name: Gosline’s Fangblenny
Scientific name: Plagiotremus goslinei
Hawaiian name: No documented name

Video of a Gosline’s Fangblenny at the Carpenters House dive site in Kona. This individual was holed up in an abandoned worm hole in the wall of an underwater canyon. Fangblennies use crevices and holes as shelter and feeding stations. They feed on small invertebrates and are part of a group known for enlarged canine teeth and quick darting movements.

🧠 **Fun fact:** Some fangblennies produce venom that reduces pain in predators, helping them escape. *Plagiotremus goslinei* is not one of the venomous species but shares similar defensive behaviors.

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Address

Honokohau Harbor
Kailua-Kona, HI
96740

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm
Saturday 7am - 5pm
Sunday 7am - 5pm

Telephone

+18089876113

Website

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